Home / 38,071.92-52,539.36-21,304.92

Finding the Fourth Proportional to 38,071.92, 52,539.36 and 21,304.92

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Solution

The fourth proportional to 38,071.92, 52,539.36 and 21,304.92 is: 29,400.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,071.92 : 52,539.36 = 21,304.92 : x
  2. Step 2: Convert to fraction form
    38,071.92/52,539.36 = 21,304.92/x
  3. Step 3: Cross multiply
    38,071.92x = 52,539.36 × 21,304.92
  4. Step 4: Simplify right side
    38,071.92x = 1,119,346,861.65
  5. Step 5: Solve for x
    x = 1,119,346,861.65/38,071.92
  6. Step 6: Final answer
    x = 29,400.85

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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.