Home / 29,400.04-40,453.50-28,700.20

Finding the Fourth Proportional to 29,400.04, 40,453.50 and 28,700.20

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Solution

The fourth proportional to 29,400.04, 40,453.50 and 28,700.20 is: 39,490.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,400.04 : 40,453.50 = 28,700.20 : x
  2. Step 2: Convert to fraction form
    29,400.04/40,453.50 = 28,700.20/x
  3. Step 3: Cross multiply
    29,400.04x = 40,453.50 × 28,700.20
  4. Step 4: Simplify right side
    29,400.04x = 1,161,023,540.70
  5. Step 5: Solve for x
    x = 1,161,023,540.70/29,400.04
  6. Step 6: Final answer
    x = 39,490.54

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.