Home / 71,330.22-98,436.36-39,499.79

Finding the Fourth Proportional to 71,330.22, 98,436.36 and 39,499.79

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Solution

The fourth proportional to 71,330.22, 98,436.36 and 39,499.79 is: 54,510.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,330.22 : 98,436.36 = 39,499.79 : x
  2. Step 2: Convert to fraction form
    71,330.22/98,436.36 = 39,499.79/x
  3. Step 3: Cross multiply
    71,330.22x = 98,436.36 × 39,499.79
  4. Step 4: Simplify right side
    71,330.22x = 3,888,215,204.31
  5. Step 5: Solve for x
    x = 3,888,215,204.31/71,330.22
  6. Step 6: Final answer
    x = 54,510.07

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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.