Home / 49,130.28-67,799.82-28,987.38

Finding the Fourth Proportional to 49,130.28, 67,799.82 and 28,987.38

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Solution

The fourth proportional to 49,130.28, 67,799.82 and 28,987.38 is: 40,002.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,130.28 : 67,799.82 = 28,987.38 : x
  2. Step 2: Convert to fraction form
    49,130.28/67,799.82 = 28,987.38/x
  3. Step 3: Cross multiply
    49,130.28x = 67,799.82 × 28,987.38
  4. Step 4: Simplify right side
    49,130.28x = 1,965,339,146.27
  5. Step 5: Solve for x
    x = 1,965,339,146.27/49,130.28
  6. Step 6: Final answer
    x = 40,002.60

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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.