Home / 66,293.18-99,402.71-21,908.02

Finding the Fourth Proportional to 66,293.18, 99,402.71 and 21,908.02

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Solution

The fourth proportional to 66,293.18, 99,402.71 and 21,908.02 is: 32,849.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,293.18 : 99,402.71 = 21,908.02 : x
  2. Step 2: Convert to fraction form
    66,293.18/99,402.71 = 21,908.02/x
  3. Step 3: Cross multiply
    66,293.18x = 99,402.71 × 21,908.02
  4. Step 4: Simplify right side
    66,293.18x = 2,177,716,558.73
  5. Step 5: Solve for x
    x = 2,177,716,558.73/66,293.18
  6. Step 6: Final answer
    x = 32,849.78

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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.