Home / 29,262.16-40,388.12-18,500.20

Finding the Fourth Proportional to 29,262.16, 40,388.12 and 18,500.20

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Solution

The fourth proportional to 29,262.16, 40,388.12 and 18,500.20 is: 25,534.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,262.16 : 40,388.12 = 18,500.20 : x
  2. Step 2: Convert to fraction form
    29,262.16/40,388.12 = 18,500.20/x
  3. Step 3: Cross multiply
    29,262.16x = 40,388.12 × 18,500.20
  4. Step 4: Simplify right side
    29,262.16x = 747,188,173.53
  5. Step 5: Solve for x
    x = 747,188,173.53/29,262.16
  6. Step 6: Final answer
    x = 25,534.28

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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.