Home / 60,679.18-91,059.76-21,236.64

Finding the Fourth Proportional to 60,679.18, 91,059.76 and 21,236.64

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Solution

The fourth proportional to 60,679.18, 91,059.76 and 21,236.64 is: 31,869.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,679.18 : 91,059.76 = 21,236.64 : x
  2. Step 2: Convert to fraction form
    60,679.18/91,059.76 = 21,236.64/x
  3. Step 3: Cross multiply
    60,679.18x = 91,059.76 × 21,236.64
  4. Step 4: Simplify right side
    60,679.18x = 1,933,803,341.61
  5. Step 5: Solve for x
    x = 1,933,803,341.61/60,679.18
  6. Step 6: Final answer
    x = 31,869.31

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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.