Home / 66,318.51-99,344.52-32,937.60

Finding the Fourth Proportional to 66,318.51, 99,344.52 and 32,937.60

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Solution

The fourth proportional to 66,318.51, 99,344.52 and 32,937.60 is: 49,340.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,318.51 : 99,344.52 = 32,937.60 : x
  2. Step 2: Convert to fraction form
    66,318.51/99,344.52 = 32,937.60/x
  3. Step 3: Cross multiply
    66,318.51x = 99,344.52 × 32,937.60
  4. Step 4: Simplify right side
    66,318.51x = 3,272,170,061.95
  5. Step 5: Solve for x
    x = 3,272,170,061.95/66,318.51
  6. Step 6: Final answer
    x = 49,340.22

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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.