Home / 67,136.13-92,646.01-36,921.45

Finding the Fourth Proportional to 67,136.13, 92,646.01 and 36,921.45

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Solution

The fourth proportional to 67,136.13, 92,646.01 and 36,921.45 is: 50,950.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,136.13 : 92,646.01 = 36,921.45 : x
  2. Step 2: Convert to fraction form
    67,136.13/92,646.01 = 36,921.45/x
  3. Step 3: Cross multiply
    67,136.13x = 92,646.01 × 36,921.45
  4. Step 4: Simplify right side
    67,136.13x = 3,420,625,419.49
  5. Step 5: Solve for x
    x = 3,420,625,419.49/67,136.13
  6. Step 6: Final answer
    x = 50,950.59

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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.