Home / 38,854.71-58,281.66-12,558.87

Finding the Fourth Proportional to 38,854.71, 58,281.66 and 12,558.87

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Solution

The fourth proportional to 38,854.71, 58,281.66 and 12,558.87 is: 18,838.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,854.71 : 58,281.66 = 12,558.87 : x
  2. Step 2: Convert to fraction form
    38,854.71/58,281.66 = 12,558.87/x
  3. Step 3: Cross multiply
    38,854.71x = 58,281.66 × 12,558.87
  4. Step 4: Simplify right side
    38,854.71x = 731,951,791.32
  5. Step 5: Solve for x
    x = 731,951,791.32/38,854.71
  6. Step 6: Final answer
    x = 18,838.17

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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.