Home / 51,976.20-71,719.20-29,314.20

Finding the Fourth Proportional to 51,976.20, 71,719.20 and 29,314.20

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Solution

The fourth proportional to 51,976.20, 71,719.20 and 29,314.20 is: 40,449.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,976.20 : 71,719.20 = 29,314.20 : x
  2. Step 2: Convert to fraction form
    51,976.20/71,719.20 = 29,314.20/x
  3. Step 3: Cross multiply
    51,976.20x = 71,719.20 × 29,314.20
  4. Step 4: Simplify right side
    51,976.20x = 2,102,390,972.64
  5. Step 5: Solve for x
    x = 2,102,390,972.64/51,976.20
  6. Step 6: Final answer
    x = 40,449.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.