Home / 38,917.97-58,376.95-12,622.71

Finding the Fourth Proportional to 38,917.97, 58,376.95 and 12,622.71

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Solution

The fourth proportional to 38,917.97, 58,376.95 and 12,622.71 is: 18,934.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,917.97 : 58,376.95 = 12,622.71 : x
  2. Step 2: Convert to fraction form
    38,917.97/58,376.95 = 12,622.71/x
  3. Step 3: Cross multiply
    38,917.97x = 58,376.95 × 12,622.71
  4. Step 4: Simplify right side
    38,917.97x = 736,875,404.71
  5. Step 5: Solve for x
    x = 736,875,404.71/38,917.97
  6. Step 6: Final answer
    x = 18,934.07

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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.