Home / 91,622.42-137,337.71-38,344.92

Finding the Fourth Proportional to 91,622.42, 137,337.71 and 38,344.92

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Solution

The fourth proportional to 91,622.42, 137,337.71 and 38,344.92 is: 57,477.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,622.42 : 137,337.71 = 38,344.92 : x
  2. Step 2: Convert to fraction form
    91,622.42/137,337.71 = 38,344.92/x
  3. Step 3: Cross multiply
    91,622.42x = 137,337.71 × 38,344.92
  4. Step 4: Simplify right side
    91,622.42x = 5,266,203,311.21
  5. Step 5: Solve for x
    x = 5,266,203,311.21/91,622.42
  6. Step 6: Final answer
    x = 57,477.24

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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.