Home / 29,270.20-40,390.32-17,331.40

Finding the Fourth Proportional to 29,270.20, 40,390.32 and 17,331.40

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Solution

The fourth proportional to 29,270.20, 40,390.32 and 17,331.40 is: 23,915.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,270.20 : 40,390.32 = 17,331.40 : x
  2. Step 2: Convert to fraction form
    29,270.20/40,390.32 = 17,331.40/x
  3. Step 3: Cross multiply
    29,270.20x = 40,390.32 × 17,331.40
  4. Step 4: Simplify right side
    29,270.20x = 700,020,792.05
  5. Step 5: Solve for x
    x = 700,020,792.05/29,270.20
  6. Step 6: Final answer
    x = 23,915.82

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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.