Home / 47,799.76-65,959.73-28,151.12

Finding the Fourth Proportional to 47,799.76, 65,959.73 and 28,151.12

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Solution

The fourth proportional to 47,799.76, 65,959.73 and 28,151.12 is: 38,846.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,799.76 : 65,959.73 = 28,151.12 : x
  2. Step 2: Convert to fraction form
    47,799.76/65,959.73 = 28,151.12/x
  3. Step 3: Cross multiply
    47,799.76x = 65,959.73 × 28,151.12
  4. Step 4: Simplify right side
    47,799.76x = 1,856,840,133.64
  5. Step 5: Solve for x
    x = 1,856,840,133.64/47,799.76
  6. Step 6: Final answer
    x = 38,846.22

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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.