Home / 38,488.38-53,113.46-21,492.92

Finding the Fourth Proportional to 38,488.38, 53,113.46 and 21,492.92

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Solution

The fourth proportional to 38,488.38, 53,113.46 and 21,492.92 is: 29,659.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,488.38 : 53,113.46 = 21,492.92 : x
  2. Step 2: Convert to fraction form
    38,488.38/53,113.46 = 21,492.92/x
  3. Step 3: Cross multiply
    38,488.38x = 53,113.46 × 21,492.92
  4. Step 4: Simplify right side
    38,488.38x = 1,141,563,346.70
  5. Step 5: Solve for x
    x = 1,141,563,346.70/38,488.38
  6. Step 6: Final answer
    x = 29,659.95

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Half scale
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Double scale
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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.