Home / 66,428.01-99,642.42-24,290.73

Finding the Fourth Proportional to 66,428.01, 99,642.42 and 24,290.73

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Solution

The fourth proportional to 66,428.01, 99,642.42 and 24,290.73 is: 36,436.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,428.01 : 99,642.42 = 24,290.73 : x
  2. Step 2: Convert to fraction form
    66,428.01/99,642.42 = 24,290.73/x
  3. Step 3: Cross multiply
    66,428.01x = 99,642.42 × 24,290.73
  4. Step 4: Simplify right side
    66,428.01x = 2,420,387,120.77
  5. Step 5: Solve for x
    x = 2,420,387,120.77/66,428.01
  6. Step 6: Final answer
    x = 36,436.24

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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.