Home / 31,984.65-44,138.19-18,557.13

Finding the Fourth Proportional to 31,984.65, 44,138.19 and 18,557.13

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Solution

The fourth proportional to 31,984.65, 44,138.19 and 18,557.13 is: 25,608.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,984.65 : 44,138.19 = 18,557.13 : x
  2. Step 2: Convert to fraction form
    31,984.65/44,138.19 = 18,557.13/x
  3. Step 3: Cross multiply
    31,984.65x = 44,138.19 × 18,557.13
  4. Step 4: Simplify right side
    31,984.65x = 819,078,129.79
  5. Step 5: Solve for x
    x = 819,078,129.79/31,984.65
  6. Step 6: Final answer
    x = 25,608.48

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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.