Home / 39,871.89-55,031.13-23,743.17

Finding the Fourth Proportional to 39,871.89, 55,031.13 and 23,743.17

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Solution

The fourth proportional to 39,871.89, 55,031.13 and 23,743.17 is: 32,770.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,871.89 : 55,031.13 = 23,743.17 : x
  2. Step 2: Convert to fraction form
    39,871.89/55,031.13 = 23,743.17/x
  3. Step 3: Cross multiply
    39,871.89x = 55,031.13 × 23,743.17
  4. Step 4: Simplify right side
    39,871.89x = 1,306,613,474.88
  5. Step 5: Solve for x
    x = 1,306,613,474.88/39,871.89
  6. Step 6: Final answer
    x = 32,770.29

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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.