Home / 38,101.46-52,579.53-21,105.63

Finding the Fourth Proportional to 38,101.46, 52,579.53 and 21,105.63

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Solution

The fourth proportional to 38,101.46, 52,579.53 and 21,105.63 is: 29,125.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,101.46 : 52,579.53 = 21,105.63 : x
  2. Step 2: Convert to fraction form
    38,101.46/52,579.53 = 21,105.63/x
  3. Step 3: Cross multiply
    38,101.46x = 52,579.53 × 21,105.63
  4. Step 4: Simplify right side
    38,101.46x = 1,109,724,105.75
  5. Step 5: Solve for x
    x = 1,109,724,105.75/38,101.46
  6. Step 6: Final answer
    x = 29,125.50

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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.