Home / 31,701.32-43,747.50-17,165.43

Finding the Fourth Proportional to 31,701.32, 43,747.50 and 17,165.43

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Solution

The fourth proportional to 31,701.32, 43,747.50 and 17,165.43 is: 23,688.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,701.32 : 43,747.50 = 17,165.43 : x
  2. Step 2: Convert to fraction form
    31,701.32/43,747.50 = 17,165.43/x
  3. Step 3: Cross multiply
    31,701.32x = 43,747.50 × 17,165.43
  4. Step 4: Simplify right side
    31,701.32x = 750,944,430.19
  5. Step 5: Solve for x
    x = 750,944,430.19/31,701.32
  6. Step 6: Final answer
    x = 23,688.12

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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.