Home / 48,278.72-66,624.48-28,147.52

Finding the Fourth Proportional to 48,278.72, 66,624.48 and 28,147.52

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Solution

The fourth proportional to 48,278.72, 66,624.48 and 28,147.52 is: 38,843.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,278.72 : 66,624.48 = 28,147.52 : x
  2. Step 2: Convert to fraction form
    48,278.72/66,624.48 = 28,147.52/x
  3. Step 3: Cross multiply
    48,278.72x = 66,624.48 × 28,147.52
  4. Step 4: Simplify right side
    48,278.72x = 1,875,313,883.29
  5. Step 5: Solve for x
    x = 1,875,313,883.29/48,278.72
  6. Step 6: Final answer
    x = 38,843.49

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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.