Home / 53,414.88-80,009.29-34,639.14

Finding the Fourth Proportional to 53,414.88, 80,009.29 and 34,639.14

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Solution

The fourth proportional to 53,414.88, 80,009.29 and 34,639.14 is: 51,885.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,414.88 : 80,009.29 = 34,639.14 : x
  2. Step 2: Convert to fraction form
    53,414.88/80,009.29 = 34,639.14/x
  3. Step 3: Cross multiply
    53,414.88x = 80,009.29 × 34,639.14
  4. Step 4: Simplify right side
    53,414.88x = 2,771,452,997.61
  5. Step 5: Solve for x
    x = 2,771,452,997.61/53,414.88
  6. Step 6: Final answer
    x = 51,885.41

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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.