Home / 49,031.38-67,677.80-28,894.75

Finding the Fourth Proportional to 49,031.38, 67,677.80 and 28,894.75

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Solution

The fourth proportional to 49,031.38, 67,677.80 and 28,894.75 is: 39,883.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,031.38 : 67,677.80 = 28,894.75 : x
  2. Step 2: Convert to fraction form
    49,031.38/67,677.80 = 28,894.75/x
  3. Step 3: Cross multiply
    49,031.38x = 67,677.80 × 28,894.75
  4. Step 4: Simplify right side
    49,031.38x = 1,955,532,797.88
  5. Step 5: Solve for x
    x = 1,955,532,797.88/49,031.38
  6. Step 6: Final answer
    x = 39,883.29

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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.