Home / 49,875.60-74,813.40-38,721.90

Finding the Fourth Proportional to 49,875.60, 74,813.40 and 38,721.90

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Solution

The fourth proportional to 49,875.60, 74,813.40 and 38,721.90 is: 58,082.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,875.60 : 74,813.40 = 38,721.90 : x
  2. Step 2: Convert to fraction form
    49,875.60/74,813.40 = 38,721.90/x
  3. Step 3: Cross multiply
    49,875.60x = 74,813.40 × 38,721.90
  4. Step 4: Simplify right side
    49,875.60x = 2,896,916,993.46
  5. Step 5: Solve for x
    x = 2,896,916,993.46/49,875.60
  6. Step 6: Final answer
    x = 58,082.85

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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.