Home / 71,439.84-107,084.43-29,301.21

Finding the Fourth Proportional to 71,439.84, 107,084.43 and 29,301.21

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Solution

The fourth proportional to 71,439.84, 107,084.43 and 29,301.21 is: 43,920.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,439.84 : 107,084.43 = 29,301.21 : x
  2. Step 2: Convert to fraction form
    71,439.84/107,084.43 = 29,301.21/x
  3. Step 3: Cross multiply
    71,439.84x = 107,084.43 × 29,301.21
  4. Step 4: Simplify right side
    71,439.84x = 3,137,703,371.16
  5. Step 5: Solve for x
    x = 3,137,703,371.16/71,439.84
  6. Step 6: Final answer
    x = 43,920.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.