Home / 34,920.99-52,381.49-8,626.23

Finding the Fourth Proportional to 34,920.99, 52,381.49 and 8,626.23

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Solution

The fourth proportional to 34,920.99, 52,381.49 and 8,626.23 is: 12,939.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,920.99 : 52,381.49 = 8,626.23 : x
  2. Step 2: Convert to fraction form
    34,920.99/52,381.49 = 8,626.23/x
  3. Step 3: Cross multiply
    34,920.99x = 52,381.49 × 8,626.23
  4. Step 4: Simplify right side
    34,920.99x = 451,854,737.35
  5. Step 5: Solve for x
    x = 451,854,737.35/34,920.99
  6. Step 6: Final answer
    x = 12,939.35

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Half scale
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Double scale
Find fourth proportional to 34,921.99, 52,382.99 and 8,627.23
Similar ratio
Find fourth proportional to 52,381.49, 78,572.23 and 12,939.35
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.