Home / 51,976.25-71,727.21-29,315.20

Finding the Fourth Proportional to 51,976.25, 71,727.21 and 29,315.20

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Solution

The fourth proportional to 51,976.25, 71,727.21 and 29,315.20 is: 40,454.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,976.25 : 71,727.21 = 29,315.20 : x
  2. Step 2: Convert to fraction form
    51,976.25/71,727.21 = 29,315.20/x
  3. Step 3: Cross multiply
    51,976.25x = 71,727.21 × 29,315.20
  4. Step 4: Simplify right side
    51,976.25x = 2,102,697,461.76
  5. Step 5: Solve for x
    x = 2,102,697,461.76/51,976.25
  6. Step 6: Final answer
    x = 40,454.96

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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.