Home / 38,125.24-52,612.78-21,358.20

Finding the Fourth Proportional to 38,125.24, 52,612.78 and 21,358.20

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Solution

The fourth proportional to 38,125.24, 52,612.78 and 21,358.20 is: 29,474.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,125.24 : 52,612.78 = 21,358.20 : x
  2. Step 2: Convert to fraction form
    38,125.24/52,612.78 = 21,358.20/x
  3. Step 3: Cross multiply
    38,125.24x = 52,612.78 × 21,358.20
  4. Step 4: Simplify right side
    38,125.24x = 1,123,714,277.80
  5. Step 5: Solve for x
    x = 1,123,714,277.80/38,125.24
  6. Step 6: Final answer
    x = 29,474.29

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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.