Home / 35,552.40-53,328.60-12,175.80

Finding the Fourth Proportional to 35,552.40, 53,328.60 and 12,175.80

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Solution

The fourth proportional to 35,552.40, 53,328.60 and 12,175.80 is: 18,263.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,552.40 : 53,328.60 = 12,175.80 : x
  2. Step 2: Convert to fraction form
    35,552.40/53,328.60 = 12,175.80/x
  3. Step 3: Cross multiply
    35,552.40x = 53,328.60 × 12,175.80
  4. Step 4: Simplify right side
    35,552.40x = 649,318,367.88
  5. Step 5: Solve for x
    x = 649,318,367.88/35,552.40
  6. Step 6: Final answer
    x = 18,263.70

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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.