Home / 49,149.32-67,826.28-27,929.72

Finding the Fourth Proportional to 49,149.32, 67,826.28 and 27,929.72

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Solution

The fourth proportional to 49,149.32, 67,826.28 and 27,929.72 is: 38,543.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,149.32 : 67,826.28 = 27,929.72 : x
  2. Step 2: Convert to fraction form
    49,149.32/67,826.28 = 27,929.72/x
  3. Step 3: Cross multiply
    49,149.32x = 67,826.28 × 27,929.72
  4. Step 4: Simplify right side
    49,149.32x = 1,894,369,009.04
  5. Step 5: Solve for x
    x = 1,894,369,009.04/49,149.32
  6. Step 6: Final answer
    x = 38,543.14

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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.