Home / 50,258.30-75,387.76-16,978.55

Finding the Fourth Proportional to 50,258.30, 75,387.76 and 16,978.55

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Solution

The fourth proportional to 50,258.30, 75,387.76 and 16,978.55 is: 25,467.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,258.30 : 75,387.76 = 16,978.55 : x
  2. Step 2: Convert to fraction form
    50,258.30/75,387.76 = 16,978.55/x
  3. Step 3: Cross multiply
    50,258.30x = 75,387.76 × 16,978.55
  4. Step 4: Simplify right side
    50,258.30x = 1,279,974,433.16
  5. Step 5: Solve for x
    x = 1,279,974,433.16/50,258.30
  6. Step 6: Final answer
    x = 25,467.92

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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.