Home / 52,971.10-79,456.64-13,526.80

Finding the Fourth Proportional to 52,971.10, 79,456.64 and 13,526.80

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Solution

The fourth proportional to 52,971.10, 79,456.64 and 13,526.80 is: 20,290.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,971.10 : 79,456.64 = 13,526.80 : x
  2. Step 2: Convert to fraction form
    52,971.10/79,456.64 = 13,526.80/x
  3. Step 3: Cross multiply
    52,971.10x = 79,456.64 × 13,526.80
  4. Step 4: Simplify right side
    52,971.10x = 1,074,794,077.95
  5. Step 5: Solve for x
    x = 1,074,794,077.95/52,971.10
  6. Step 6: Final answer
    x = 20,290.20

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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.