Home / 31,440.61-43,387.17-17,293.48

Finding the Fourth Proportional to 31,440.61, 43,387.17 and 17,293.48

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Solution

The fourth proportional to 31,440.61, 43,387.17 and 17,293.48 is: 23,864.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,440.61 : 43,387.17 = 17,293.48 : x
  2. Step 2: Convert to fraction form
    31,440.61/43,387.17 = 17,293.48/x
  3. Step 3: Cross multiply
    31,440.61x = 43,387.17 × 17,293.48
  4. Step 4: Simplify right side
    31,440.61x = 750,315,156.65
  5. Step 5: Solve for x
    x = 750,315,156.65/31,440.61
  6. Step 6: Final answer
    x = 23,864.52

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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.