Home / 71,330.76-98,436.36-39,499.62

Finding the Fourth Proportional to 71,330.76, 98,436.36 and 39,499.62

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Solution

The fourth proportional to 71,330.76, 98,436.36 and 39,499.62 is: 54,509.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,330.76 : 98,436.36 = 39,499.62 : x
  2. Step 2: Convert to fraction form
    71,330.76/98,436.36 = 39,499.62/x
  3. Step 3: Cross multiply
    71,330.76x = 98,436.36 × 39,499.62
  4. Step 4: Simplify right side
    71,330.76x = 3,888,198,814.18
  5. Step 5: Solve for x
    x = 3,888,198,814.18/71,330.76
  6. Step 6: Final answer
    x = 54,509.43

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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.