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Finding the Fourth Proportional to 40,700.08, 61,065.24 and 13,000.24

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Solution

The fourth proportional to 40,700.08, 61,065.24 and 13,000.24 is: 19,505.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,700.08 : 61,065.24 = 13,000.24 : x
  2. Step 2: Convert to fraction form
    40,700.08/61,065.24 = 13,000.24/x
  3. Step 3: Cross multiply
    40,700.08x = 61,065.24 × 13,000.24
  4. Step 4: Simplify right side
    40,700.08x = 793,862,775.66
  5. Step 5: Solve for x
    x = 793,862,775.66/40,700.08
  6. Step 6: Final answer
    x = 19,505.19

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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.