Home / 52,815.16-79,222.80-13,372.28

Finding the Fourth Proportional to 52,815.16, 79,222.80 and 13,372.28

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Solution

The fourth proportional to 52,815.16, 79,222.80 and 13,372.28 is: 20,058.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,815.16 : 79,222.80 = 13,372.28 : x
  2. Step 2: Convert to fraction form
    52,815.16/79,222.80 = 13,372.28/x
  3. Step 3: Cross multiply
    52,815.16x = 79,222.80 × 13,372.28
  4. Step 4: Simplify right side
    52,815.16x = 1,059,389,463.98
  5. Step 5: Solve for x
    x = 1,059,389,463.98/52,815.16
  6. Step 6: Final answer
    x = 20,058.44

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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.