Home / 45,024.66-67,215.56-39,121.38

Finding the Fourth Proportional to 45,024.66, 67,215.56 and 39,121.38

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Solution

The fourth proportional to 45,024.66, 67,215.56 and 39,121.38 is: 58,402.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,024.66 : 67,215.56 = 39,121.38 : x
  2. Step 2: Convert to fraction form
    45,024.66/67,215.56 = 39,121.38/x
  3. Step 3: Cross multiply
    45,024.66x = 67,215.56 × 39,121.38
  4. Step 4: Simplify right side
    45,024.66x = 2,629,565,269.07
  5. Step 5: Solve for x
    x = 2,629,565,269.07/45,024.66
  6. Step 6: Final answer
    x = 58,402.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.