Home / 67,752.27-101,627.46-21,005.13

Finding the Fourth Proportional to 67,752.27, 101,627.46 and 21,005.13

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Solution

The fourth proportional to 67,752.27, 101,627.46 and 21,005.13 is: 31,507.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,752.27 : 101,627.46 = 21,005.13 : x
  2. Step 2: Convert to fraction form
    67,752.27/101,627.46 = 21,005.13/x
  3. Step 3: Cross multiply
    67,752.27x = 101,627.46 × 21,005.13
  4. Step 4: Simplify right side
    67,752.27x = 2,134,698,008.87
  5. Step 5: Solve for x
    x = 2,134,698,008.87/67,752.27
  6. Step 6: Final answer
    x = 31,507.40

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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.