Home / 42,458.85-58,491.95-29,688.14

Finding the Fourth Proportional to 42,458.85, 58,491.95 and 29,688.14

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Solution

The fourth proportional to 42,458.85, 58,491.95 and 29,688.14 is: 40,898.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,458.85 : 58,491.95 = 29,688.14 : x
  2. Step 2: Convert to fraction form
    42,458.85/58,491.95 = 29,688.14/x
  3. Step 3: Cross multiply
    42,458.85x = 58,491.95 × 29,688.14
  4. Step 4: Simplify right side
    42,458.85x = 1,736,517,200.47
  5. Step 5: Solve for x
    x = 1,736,517,200.47/42,458.85
  6. Step 6: Final answer
    x = 40,898.83

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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.