Home / 31,440.08-43,387.56-17,293.04

Finding the Fourth Proportional to 31,440.08, 43,387.56 and 17,293.04

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Solution

The fourth proportional to 31,440.08, 43,387.56 and 17,293.04 is: 23,864.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,440.08 : 43,387.56 = 17,293.04 : x
  2. Step 2: Convert to fraction form
    31,440.08/43,387.56 = 17,293.04/x
  3. Step 3: Cross multiply
    31,440.08x = 43,387.56 × 17,293.04
  4. Step 4: Simplify right side
    31,440.08x = 750,302,810.58
  5. Step 5: Solve for x
    x = 750,302,810.58/31,440.08
  6. Step 6: Final answer
    x = 23,864.53

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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.