Home / 71,218.20-98,277.14-38,946.45

Finding the Fourth Proportional to 71,218.20, 98,277.14 and 38,946.45

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Solution

The fourth proportional to 71,218.20, 98,277.14 and 38,946.45 is: 53,743.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,218.20 : 98,277.14 = 38,946.45 : x
  2. Step 2: Convert to fraction form
    71,218.20/98,277.14 = 38,946.45/x
  3. Step 3: Cross multiply
    71,218.20x = 98,277.14 × 38,946.45
  4. Step 4: Simplify right side
    71,218.20x = 3,827,545,033.04
  5. Step 5: Solve for x
    x = 3,827,545,033.04/71,218.20
  6. Step 6: Final answer
    x = 53,743.92

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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.