Home / 67,154.53-92,686.43-38,493.41

Finding the Fourth Proportional to 67,154.53, 92,686.43 and 38,493.41

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Solution

The fourth proportional to 67,154.53, 92,686.43 and 38,493.41 is: 53,128.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,154.53 : 92,686.43 = 38,493.41 : x
  2. Step 2: Convert to fraction form
    67,154.53/92,686.43 = 38,493.41/x
  3. Step 3: Cross multiply
    67,154.53x = 92,686.43 × 38,493.41
  4. Step 4: Simplify right side
    67,154.53x = 3,567,816,790.68
  5. Step 5: Solve for x
    x = 3,567,816,790.68/67,154.53
  6. Step 6: Final answer
    x = 53,128.46

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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.