Home / 31,440.48-43,387.40-17,292.48

Finding the Fourth Proportional to 31,440.48, 43,387.40 and 17,292.48

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Solution

The fourth proportional to 31,440.48, 43,387.40 and 17,292.48 is: 23,863.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,440.48 : 43,387.40 = 17,292.48 : x
  2. Step 2: Convert to fraction form
    31,440.48/43,387.40 = 17,292.48/x
  3. Step 3: Cross multiply
    31,440.48x = 43,387.40 × 17,292.48
  4. Step 4: Simplify right side
    31,440.48x = 750,275,746.75
  5. Step 5: Solve for x
    x = 750,275,746.75/31,440.48
  6. Step 6: Final answer
    x = 23,863.37

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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.