Home / 49,278.72-68,002.08-28,057.92

Finding the Fourth Proportional to 49,278.72, 68,002.08 and 28,057.92

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Solution

The fourth proportional to 49,278.72, 68,002.08 and 28,057.92 is: 38,718.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,278.72 : 68,002.08 = 28,057.92 : x
  2. Step 2: Convert to fraction form
    49,278.72/68,002.08 = 28,057.92/x
  3. Step 3: Cross multiply
    49,278.72x = 68,002.08 × 28,057.92
  4. Step 4: Simplify right side
    49,278.72x = 1,907,996,920.47
  5. Step 5: Solve for x
    x = 1,907,996,920.47/49,278.72
  6. Step 6: Final answer
    x = 38,718.48

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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.