Home / 50,139.07-75,209.82-15,078.76

Finding the Fourth Proportional to 50,139.07, 75,209.82 and 15,078.76

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Solution

The fourth proportional to 50,139.07, 75,209.82 and 15,078.76 is: 22,618.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,139.07 : 75,209.82 = 15,078.76 : x
  2. Step 2: Convert to fraction form
    50,139.07/75,209.82 = 15,078.76/x
  3. Step 3: Cross multiply
    50,139.07x = 75,209.82 × 15,078.76
  4. Step 4: Simplify right side
    50,139.07x = 1,134,070,825.42
  5. Step 5: Solve for x
    x = 1,134,070,825.42/50,139.07
  6. Step 6: Final answer
    x = 22,618.51

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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.