Home / 31,622.98-43,637.66-17,279.90

Finding the Fourth Proportional to 31,622.98, 43,637.66 and 17,279.90

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Solution

The fourth proportional to 31,622.98, 43,637.66 and 17,279.90 is: 23,845.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,622.98 : 43,637.66 = 17,279.90 : x
  2. Step 2: Convert to fraction form
    31,622.98/43,637.66 = 17,279.90/x
  3. Step 3: Cross multiply
    31,622.98x = 43,637.66 × 17,279.90
  4. Step 4: Simplify right side
    31,622.98x = 754,054,401.03
  5. Step 5: Solve for x
    x = 754,054,401.03/31,622.98
  6. Step 6: Final answer
    x = 23,845.14

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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.