Home / 51,892.14-71,612.91-30,689.58

Finding the Fourth Proportional to 51,892.14, 71,612.91 and 30,689.58

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Solution

The fourth proportional to 51,892.14, 71,612.91 and 30,689.58 is: 42,352.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,892.14 : 71,612.91 = 30,689.58 : x
  2. Step 2: Convert to fraction form
    51,892.14/71,612.91 = 30,689.58/x
  3. Step 3: Cross multiply
    51,892.14x = 71,612.91 × 30,689.58
  4. Step 4: Simplify right side
    51,892.14x = 2,197,770,130.48
  5. Step 5: Solve for x
    x = 2,197,770,130.48/51,892.14
  6. Step 6: Final answer
    x = 42,352.66

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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.