Home / 29,331.20-40,479.36-16,760

Finding the Fourth Proportional to 29,331.20, 40,479.36 and 16,760

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Solution

The fourth proportional to 29,331.20, 40,479.36 and 16,760 is: 23,130.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,331.20 : 40,479.36 = 16,760 : x
  2. Step 2: Convert to fraction form
    29,331.20/40,479.36 = 16,760/x
  3. Step 3: Cross multiply
    29,331.20x = 40,479.36 × 16,760
  4. Step 4: Simplify right side
    29,331.20x = 678,434,073.60
  5. Step 5: Solve for x
    x = 678,434,073.60/29,331.20
  6. Step 6: Final answer
    x = 23,130.12

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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.