Home / 38,895.60-58,329-30,591.76

Finding the Fourth Proportional to 38,895.60, 58,329 and 30,591.76

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Solution

The fourth proportional to 38,895.60, 58,329 and 30,591.76 is: 45,876.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,895.60 : 58,329 = 30,591.76 : x
  2. Step 2: Convert to fraction form
    38,895.60/58,329 = 30,591.76/x
  3. Step 3: Cross multiply
    38,895.60x = 58,329 × 30,591.76
  4. Step 4: Simplify right side
    38,895.60x = 1,784,386,769.04
  5. Step 5: Solve for x
    x = 1,784,386,769.04/38,895.60
  6. Step 6: Final answer
    x = 45,876.31

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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.