Home / 71,328.74-98,432.47-39,496.96

Finding the Fourth Proportional to 71,328.74, 98,432.47 and 39,496.96

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Solution

The fourth proportional to 71,328.74, 98,432.47 and 39,496.96 is: 54,505.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,328.74 : 98,432.47 = 39,496.96 : x
  2. Step 2: Convert to fraction form
    71,328.74/98,432.47 = 39,496.96/x
  3. Step 3: Cross multiply
    71,328.74x = 98,432.47 × 39,496.96
  4. Step 4: Simplify right side
    71,328.74x = 3,887,782,985.47
  5. Step 5: Solve for x
    x = 3,887,782,985.47/71,328.74
  6. Step 6: Final answer
    x = 54,505.14

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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.