Home / 51,342.80-76,838.96-43,032.20

Finding the Fourth Proportional to 51,342.80, 76,838.96 and 43,032.20

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Solution

The fourth proportional to 51,342.80, 76,838.96 and 43,032.20 is: 64,401.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,342.80 : 76,838.96 = 43,032.20 : x
  2. Step 2: Convert to fraction form
    51,342.80/76,838.96 = 43,032.20/x
  3. Step 3: Cross multiply
    51,342.80x = 76,838.96 × 43,032.20
  4. Step 4: Simplify right side
    51,342.80x = 3,306,549,217.90
  5. Step 5: Solve for x
    x = 3,306,549,217.90/51,342.80
  6. Step 6: Final answer
    x = 64,401.43

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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.