Home / 71,423.79-98,568.23-39,592.72

Finding the Fourth Proportional to 71,423.79, 98,568.23 and 39,592.72

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Solution

The fourth proportional to 71,423.79, 98,568.23 and 39,592.72 is: 54,639.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,423.79 : 98,568.23 = 39,592.72 : x
  2. Step 2: Convert to fraction form
    71,423.79/98,568.23 = 39,592.72/x
  3. Step 3: Cross multiply
    71,423.79x = 98,568.23 × 39,592.72
  4. Step 4: Simplify right side
    71,423.79x = 3,902,584,331.29
  5. Step 5: Solve for x
    x = 3,902,584,331.29/71,423.79
  6. Step 6: Final answer
    x = 54,639.84

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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.