Home / 23,129.46-31,916.88-13,058.91

Finding the Fourth Proportional to 23,129.46, 31,916.88 and 13,058.91

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Solution

The fourth proportional to 23,129.46, 31,916.88 and 13,058.91 is: 18,020.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,129.46 : 31,916.88 = 13,058.91 : x
  2. Step 2: Convert to fraction form
    23,129.46/31,916.88 = 13,058.91/x
  3. Step 3: Cross multiply
    23,129.46x = 31,916.88 × 13,058.91
  4. Step 4: Simplify right side
    23,129.46x = 416,799,663.40
  5. Step 5: Solve for x
    x = 416,799,663.40/23,129.46
  6. Step 6: Final answer
    x = 18,020.29

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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.