Home / 49,463.92-74,235.74-28,129.73

Finding the Fourth Proportional to 49,463.92, 74,235.74 and 28,129.73

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Solution

The fourth proportional to 49,463.92, 74,235.74 and 28,129.73 is: 42,217.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,463.92 : 74,235.74 = 28,129.73 : x
  2. Step 2: Convert to fraction form
    49,463.92/74,235.74 = 28,129.73/x
  3. Step 3: Cross multiply
    49,463.92x = 74,235.74 × 28,129.73
  4. Step 4: Simplify right side
    49,463.92x = 2,088,231,386.53
  5. Step 5: Solve for x
    x = 2,088,231,386.53/49,463.92
  6. Step 6: Final answer
    x = 42,217.27

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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.