Home / 45,254.46-62,490.83-28,287.70

Finding the Fourth Proportional to 45,254.46, 62,490.83 and 28,287.70

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Solution

The fourth proportional to 45,254.46, 62,490.83 and 28,287.70 is: 39,061.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,254.46 : 62,490.83 = 28,287.70 : x
  2. Step 2: Convert to fraction form
    45,254.46/62,490.83 = 28,287.70/x
  3. Step 3: Cross multiply
    45,254.46x = 62,490.83 × 28,287.70
  4. Step 4: Simplify right side
    45,254.46x = 1,767,721,851.79
  5. Step 5: Solve for x
    x = 1,767,721,851.79/45,254.46
  6. Step 6: Final answer
    x = 39,061.83

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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.