Home / 35,750.77-53,626.15-12,377.20

Finding the Fourth Proportional to 35,750.77, 53,626.15 and 12,377.20

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Solution

The fourth proportional to 35,750.77, 53,626.15 and 12,377.20 is: 18,565.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,750.77 : 53,626.15 = 12,377.20 : x
  2. Step 2: Convert to fraction form
    35,750.77/53,626.15 = 12,377.20/x
  3. Step 3: Cross multiply
    35,750.77x = 53,626.15 × 12,377.20
  4. Step 4: Simplify right side
    35,750.77x = 663,741,583.78
  5. Step 5: Solve for x
    x = 663,741,583.78/35,750.77
  6. Step 6: Final answer
    x = 18,565.80

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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.