Home / 52,052.13-78,072.37-14,613.66

Finding the Fourth Proportional to 52,052.13, 78,072.37 and 14,613.66

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Solution

The fourth proportional to 52,052.13, 78,072.37 and 14,613.66 is: 21,918.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,052.13 : 78,072.37 = 14,613.66 : x
  2. Step 2: Convert to fraction form
    52,052.13/78,072.37 = 14,613.66/x
  3. Step 3: Cross multiply
    52,052.13x = 78,072.37 × 14,613.66
  4. Step 4: Simplify right side
    52,052.13x = 1,140,923,070.57
  5. Step 5: Solve for x
    x = 1,140,923,070.57/52,052.13
  6. Step 6: Final answer
    x = 21,918.85

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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.