Home / 31,058.54-42,861.96-17,630.36

Finding the Fourth Proportional to 31,058.54, 42,861.96 and 17,630.36

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Solution

The fourth proportional to 31,058.54, 42,861.96 and 17,630.36 is: 24,330.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,058.54 : 42,861.96 = 17,630.36 : x
  2. Step 2: Convert to fraction form
    31,058.54/42,861.96 = 17,630.36/x
  3. Step 3: Cross multiply
    31,058.54x = 42,861.96 × 17,630.36
  4. Step 4: Simplify right side
    31,058.54x = 755,671,785.11
  5. Step 5: Solve for x
    x = 755,671,785.11/31,058.54
  6. Step 6: Final answer
    x = 24,330.56

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1.5x scale

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.