Home / 60,461.06-90,691.80-21,018.50

Finding the Fourth Proportional to 60,461.06, 90,691.80 and 21,018.50

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Solution

The fourth proportional to 60,461.06, 90,691.80 and 21,018.50 is: 31,527.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,461.06 : 90,691.80 = 21,018.50 : x
  2. Step 2: Convert to fraction form
    60,461.06/90,691.80 = 21,018.50/x
  3. Step 3: Cross multiply
    60,461.06x = 90,691.80 × 21,018.50
  4. Step 4: Simplify right side
    60,461.06x = 1,906,205,598.30
  5. Step 5: Solve for x
    x = 1,906,205,598.30/60,461.06
  6. Step 6: Final answer
    x = 31,527.82

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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.