Home / 38,024.28-52,478.46-21,260.76

Finding the Fourth Proportional to 38,024.28, 52,478.46 and 21,260.76

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Solution

The fourth proportional to 38,024.28, 52,478.46 and 21,260.76 is: 29,342.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,024.28 : 52,478.46 = 21,260.76 : x
  2. Step 2: Convert to fraction form
    38,024.28/52,478.46 = 21,260.76/x
  3. Step 3: Cross multiply
    38,024.28x = 52,478.46 × 21,260.76
  4. Step 4: Simplify right side
    38,024.28x = 1,115,731,943.23
  5. Step 5: Solve for x
    x = 1,115,731,943.23/38,024.28
  6. Step 6: Final answer
    x = 29,342.62

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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.