Home / 60,881.34-91,322.25-18,761.10

Finding the Fourth Proportional to 60,881.34, 91,322.25 and 18,761.10

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Solution

The fourth proportional to 60,881.34, 91,322.25 and 18,761.10 is: 28,141.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,881.34 : 91,322.25 = 18,761.10 : x
  2. Step 2: Convert to fraction form
    60,881.34/91,322.25 = 18,761.10/x
  3. Step 3: Cross multiply
    60,881.34x = 91,322.25 × 18,761.10
  4. Step 4: Simplify right side
    60,881.34x = 1,713,305,864.48
  5. Step 5: Solve for x
    x = 1,713,305,864.48/60,881.34
  6. Step 6: Final answer
    x = 28,141.72

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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.