Home / 31,058.83-42,861.45-17,630.11

Finding the Fourth Proportional to 31,058.83, 42,861.45 and 17,630.11

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Solution

The fourth proportional to 31,058.83, 42,861.45 and 17,630.11 is: 24,329.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,058.83 : 42,861.45 = 17,630.11 : x
  2. Step 2: Convert to fraction form
    31,058.83/42,861.45 = 17,630.11/x
  3. Step 3: Cross multiply
    31,058.83x = 42,861.45 × 17,630.11
  4. Step 4: Simplify right side
    31,058.83x = 755,652,078.26
  5. Step 5: Solve for x
    x = 755,652,078.26/31,058.83
  6. Step 6: Final answer
    x = 24,329.70

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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.