Home / 67,215.28-92,752.71-38,534.59

Finding the Fourth Proportional to 67,215.28, 92,752.71 and 38,534.59

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Solution

The fourth proportional to 67,215.28, 92,752.71 and 38,534.59 is: 53,175.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,215.28 : 92,752.71 = 38,534.59 : x
  2. Step 2: Convert to fraction form
    67,215.28/92,752.71 = 38,534.59/x
  3. Step 3: Cross multiply
    67,215.28x = 92,752.71 × 38,534.59
  4. Step 4: Simplify right side
    67,215.28x = 3,574,187,651.24
  5. Step 5: Solve for x
    x = 3,574,187,651.24/67,215.28
  6. Step 6: Final answer
    x = 53,175.23

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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.