Home / 50,145.73-75,167.95-31,438.90

Finding the Fourth Proportional to 50,145.73, 75,167.95 and 31,438.90

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Solution

The fourth proportional to 50,145.73, 75,167.95 and 31,438.90 is: 47,126.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,145.73 : 75,167.95 = 31,438.90 : x
  2. Step 2: Convert to fraction form
    50,145.73/75,167.95 = 31,438.90/x
  3. Step 3: Cross multiply
    50,145.73x = 75,167.95 × 31,438.90
  4. Step 4: Simplify right side
    50,145.73x = 2,363,197,737.57
  5. Step 5: Solve for x
    x = 2,363,197,737.57/50,145.73
  6. Step 6: Final answer
    x = 47,126.60

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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.