Home / 52,763.20-79,132-17,693.76

Finding the Fourth Proportional to 52,763.20, 79,132 and 17,693.76

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Solution

The fourth proportional to 52,763.20, 79,132 and 17,693.76 is: 26,536.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,763.20 : 79,132 = 17,693.76 : x
  2. Step 2: Convert to fraction form
    52,763.20/79,132 = 17,693.76/x
  3. Step 3: Cross multiply
    52,763.20x = 79,132 × 17,693.76
  4. Step 4: Simplify right side
    52,763.20x = 1,400,142,616.32
  5. Step 5: Solve for x
    x = 1,400,142,616.32/52,763.20
  6. Step 6: Final answer
    x = 26,536.35

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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.