Home / 47,248.47-65,173.58-28,115.31

Finding the Fourth Proportional to 47,248.47, 65,173.58 and 28,115.31

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Solution

The fourth proportional to 47,248.47, 65,173.58 and 28,115.31 is: 38,781.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,248.47 : 65,173.58 = 28,115.31 : x
  2. Step 2: Convert to fraction form
    47,248.47/65,173.58 = 28,115.31/x
  3. Step 3: Cross multiply
    47,248.47x = 65,173.58 × 28,115.31
  4. Step 4: Simplify right side
    47,248.47x = 1,832,375,264.93
  5. Step 5: Solve for x
    x = 1,832,375,264.93/47,248.47
  6. Step 6: Final answer
    x = 38,781.68

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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.