Home / 51,881.18-71,565-32,727.11

Finding the Fourth Proportional to 51,881.18, 71,565 and 32,727.11

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Solution

The fourth proportional to 51,881.18, 71,565 and 32,727.11 is: 45,143.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,881.18 : 71,565 = 32,727.11 : x
  2. Step 2: Convert to fraction form
    51,881.18/71,565 = 32,727.11/x
  3. Step 3: Cross multiply
    51,881.18x = 71,565 × 32,727.11
  4. Step 4: Simplify right side
    51,881.18x = 2,342,115,627.15
  5. Step 5: Solve for x
    x = 2,342,115,627.15/51,881.18
  6. Step 6: Final answer
    x = 45,143.84

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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.