Home / 38,557.58-53,204.76-21,327.62

Finding the Fourth Proportional to 38,557.58, 53,204.76 and 21,327.62

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Solution

The fourth proportional to 38,557.58, 53,204.76 and 21,327.62 is: 29,429.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,557.58 : 53,204.76 = 21,327.62 : x
  2. Step 2: Convert to fraction form
    38,557.58/53,204.76 = 21,327.62/x
  3. Step 3: Cross multiply
    38,557.58x = 53,204.76 × 21,327.62
  4. Step 4: Simplify right side
    38,557.58x = 1,134,730,903.47
  5. Step 5: Solve for x
    x = 1,134,730,903.47/38,557.58
  6. Step 6: Final answer
    x = 29,429.52

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Half scale
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Double scale
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Similar ratio
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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.