Home / 32,871.33-45,364.19-18,728.73

Finding the Fourth Proportional to 32,871.33, 45,364.19 and 18,728.73

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Solution

The fourth proportional to 32,871.33, 45,364.19 and 18,728.73 is: 25,846.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,871.33 : 45,364.19 = 18,728.73 : x
  2. Step 2: Convert to fraction form
    32,871.33/45,364.19 = 18,728.73/x
  3. Step 3: Cross multiply
    32,871.33x = 45,364.19 × 18,728.73
  4. Step 4: Simplify right side
    32,871.33x = 849,613,572.54
  5. Step 5: Solve for x
    x = 849,613,572.54/32,871.33
  6. Step 6: Final answer
    x = 25,846.64

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Double scale
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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.