Home / 71,357.38-98,473.18-39,528.34

Finding the Fourth Proportional to 71,357.38, 98,473.18 and 39,528.34

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Solution

The fourth proportional to 71,357.38, 98,473.18 and 39,528.34 is: 54,549.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,357.38 : 98,473.18 = 39,528.34 : x
  2. Step 2: Convert to fraction form
    71,357.38/98,473.18 = 39,528.34/x
  3. Step 3: Cross multiply
    71,357.38x = 98,473.18 × 39,528.34
  4. Step 4: Simplify right side
    71,357.38x = 3,892,481,339.92
  5. Step 5: Solve for x
    x = 3,892,481,339.92/71,357.38
  6. Step 6: Final answer
    x = 54,549.11

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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.