Home / 51,920.28-71,673.91-30,407.04

Finding the Fourth Proportional to 51,920.28, 71,673.91 and 30,407.04

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Solution

The fourth proportional to 51,920.28, 71,673.91 and 30,407.04 is: 41,975.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,920.28 : 71,673.91 = 30,407.04 : x
  2. Step 2: Convert to fraction form
    51,920.28/71,673.91 = 30,407.04/x
  3. Step 3: Cross multiply
    51,920.28x = 71,673.91 × 30,407.04
  4. Step 4: Simplify right side
    51,920.28x = 2,179,391,089.96
  5. Step 5: Solve for x
    x = 2,179,391,089.96/51,920.28
  6. Step 6: Final answer
    x = 41,975.72

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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.