Home / 49,239-67,952.28-28,020.24

Finding the Fourth Proportional to 49,239, 67,952.28 and 28,020.24

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Solution

The fourth proportional to 49,239, 67,952.28 and 28,020.24 is: 38,669.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,239 : 67,952.28 = 28,020.24 : x
  2. Step 2: Convert to fraction form
    49,239/67,952.28 = 28,020.24/x
  3. Step 3: Cross multiply
    49,239x = 67,952.28 × 28,020.24
  4. Step 4: Simplify right side
    49,239x = 1,904,039,194.15
  5. Step 5: Solve for x
    x = 1,904,039,194.15/49,239
  6. Step 6: Final answer
    x = 38,669.33

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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.