Home / 31,337.04-43,242.30-17,908.26

Finding the Fourth Proportional to 31,337.04, 43,242.30 and 17,908.26

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Solution

The fourth proportional to 31,337.04, 43,242.30 and 17,908.26 is: 24,711.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,337.04 : 43,242.30 = 17,908.26 : x
  2. Step 2: Convert to fraction form
    31,337.04/43,242.30 = 17,908.26/x
  3. Step 3: Cross multiply
    31,337.04x = 43,242.30 × 17,908.26
  4. Step 4: Simplify right side
    31,337.04x = 774,394,351.40
  5. Step 5: Solve for x
    x = 774,394,351.40/31,337.04
  6. Step 6: Final answer
    x = 24,711.79

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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.