Home / 38,153.17-52,654.50-21,162.76

Finding the Fourth Proportional to 38,153.17, 52,654.50 and 21,162.76

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Solution

The fourth proportional to 38,153.17, 52,654.50 and 21,162.76 is: 29,206.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,153.17 : 52,654.50 = 21,162.76 : x
  2. Step 2: Convert to fraction form
    38,153.17/52,654.50 = 21,162.76/x
  3. Step 3: Cross multiply
    38,153.17x = 52,654.50 × 21,162.76
  4. Step 4: Simplify right side
    38,153.17x = 1,114,314,546.42
  5. Step 5: Solve for x
    x = 1,114,314,546.42/38,153.17
  6. Step 6: Final answer
    x = 29,206.34

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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.