Home / 39,588.92-54,632.71-21,683.97

Finding the Fourth Proportional to 39,588.92, 54,632.71 and 21,683.97

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Solution

The fourth proportional to 39,588.92, 54,632.71 and 21,683.97 is: 29,923.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,588.92 : 54,632.71 = 21,683.97 : x
  2. Step 2: Convert to fraction form
    39,588.92/54,632.71 = 21,683.97/x
  3. Step 3: Cross multiply
    39,588.92x = 54,632.71 × 21,683.97
  4. Step 4: Simplify right side
    39,588.92x = 1,184,654,071.76
  5. Step 5: Solve for x
    x = 1,184,654,071.76/39,588.92
  6. Step 6: Final answer
    x = 29,923.88

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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.