Home / 67,613.04-101,407.68-20,853.36

Finding the Fourth Proportional to 67,613.04, 101,407.68 and 20,853.36

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Solution

The fourth proportional to 67,613.04, 101,407.68 and 20,853.36 is: 31,276.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,613.04 : 101,407.68 = 20,853.36 : x
  2. Step 2: Convert to fraction form
    67,613.04/101,407.68 = 20,853.36/x
  3. Step 3: Cross multiply
    67,613.04x = 101,407.68 × 20,853.36
  4. Step 4: Simplify right side
    67,613.04x = 2,114,690,857.80
  5. Step 5: Solve for x
    x = 2,114,690,857.80/67,613.04
  6. Step 6: Final answer
    x = 31,276.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.