Home / 47,989.23-66,246.38-31,001.76

Finding the Fourth Proportional to 47,989.23, 66,246.38 and 31,001.76

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Solution

The fourth proportional to 47,989.23, 66,246.38 and 31,001.76 is: 42,796.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,989.23 : 66,246.38 = 31,001.76 : x
  2. Step 2: Convert to fraction form
    47,989.23/66,246.38 = 31,001.76/x
  3. Step 3: Cross multiply
    47,989.23x = 66,246.38 × 31,001.76
  4. Step 4: Simplify right side
    47,989.23x = 2,053,754,218.62
  5. Step 5: Solve for x
    x = 2,053,754,218.62/47,989.23
  6. Step 6: Final answer
    x = 42,796.15

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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.