Home / 73,921.19-110,882.59-21,331.13

Finding the Fourth Proportional to 73,921.19, 110,882.59 and 21,331.13

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Solution

The fourth proportional to 73,921.19, 110,882.59 and 21,331.13 is: 31,996.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,921.19 : 110,882.59 = 21,331.13 : x
  2. Step 2: Convert to fraction form
    73,921.19/110,882.59 = 21,331.13/x
  3. Step 3: Cross multiply
    73,921.19x = 110,882.59 × 21,331.13
  4. Step 4: Simplify right side
    73,921.19x = 2,365,250,334.29
  5. Step 5: Solve for x
    x = 2,365,250,334.29/73,921.19
  6. Step 6: Final answer
    x = 31,996.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.