Home / 52,722.18-79,077.42-13,279.29

Finding the Fourth Proportional to 52,722.18, 79,077.42 and 13,279.29

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Solution

The fourth proportional to 52,722.18, 79,077.42 and 13,279.29 is: 19,917.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,722.18 : 79,077.42 = 13,279.29 : x
  2. Step 2: Convert to fraction form
    52,722.18/79,077.42 = 13,279.29/x
  3. Step 3: Cross multiply
    52,722.18x = 79,077.42 × 13,279.29
  4. Step 4: Simplify right side
    52,722.18x = 1,050,091,992.63
  5. Step 5: Solve for x
    x = 1,050,091,992.63/52,722.18
  6. Step 6: Final answer
    x = 19,917.46

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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.