Home / 66,262.24-99,373.20-18,881.20

Finding the Fourth Proportional to 66,262.24, 99,373.20 and 18,881.20

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Solution

The fourth proportional to 66,262.24, 99,373.20 and 18,881.20 is: 28,316.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,262.24 : 99,373.20 = 18,881.20 : x
  2. Step 2: Convert to fraction form
    66,262.24/99,373.20 = 18,881.20/x
  3. Step 3: Cross multiply
    66,262.24x = 99,373.20 × 18,881.20
  4. Step 4: Simplify right side
    66,262.24x = 1,876,285,263.84
  5. Step 5: Solve for x
    x = 1,876,285,263.84/66,262.24
  6. Step 6: Final answer
    x = 28,316.06

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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.