Home / 29,487.16-40,721.20-25,213.56

Finding the Fourth Proportional to 29,487.16, 40,721.20 and 25,213.56

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Solution

The fourth proportional to 29,487.16, 40,721.20 and 25,213.56 is: 34,819.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,487.16 : 40,721.20 = 25,213.56 : x
  2. Step 2: Convert to fraction form
    29,487.16/40,721.20 = 25,213.56/x
  3. Step 3: Cross multiply
    29,487.16x = 40,721.20 × 25,213.56
  4. Step 4: Simplify right side
    29,487.16x = 1,026,726,419.47
  5. Step 5: Solve for x
    x = 1,026,726,419.47/29,487.16
  6. Step 6: Final answer
    x = 34,819.44

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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.