Home / 31,470.18-43,429.14-17,323.13

Finding the Fourth Proportional to 31,470.18, 43,429.14 and 17,323.13

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Solution

The fourth proportional to 31,470.18, 43,429.14 and 17,323.13 is: 23,906.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,470.18 : 43,429.14 = 17,323.13 : x
  2. Step 2: Convert to fraction form
    31,470.18/43,429.14 = 17,323.13/x
  3. Step 3: Cross multiply
    31,470.18x = 43,429.14 × 17,323.13
  4. Step 4: Simplify right side
    31,470.18x = 752,328,638.01
  5. Step 5: Solve for x
    x = 752,328,638.01/31,470.18
  6. Step 6: Final answer
    x = 23,906.08

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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.