Home / 30,058.28-45,091.52-12,524

Finding the Fourth Proportional to 30,058.28, 45,091.52 and 12,524

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Solution

The fourth proportional to 30,058.28, 45,091.52 and 12,524 is: 18,787.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,058.28 : 45,091.52 = 12,524 : x
  2. Step 2: Convert to fraction form
    30,058.28/45,091.52 = 12,524/x
  3. Step 3: Cross multiply
    30,058.28x = 45,091.52 × 12,524
  4. Step 4: Simplify right side
    30,058.28x = 564,726,196.48
  5. Step 5: Solve for x
    x = 564,726,196.48/30,058.28
  6. Step 6: Final answer
    x = 18,787.71

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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.