Home / 38,950.52-58,407.28-20,211.81

Finding the Fourth Proportional to 38,950.52, 58,407.28 and 20,211.81

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Solution

The fourth proportional to 38,950.52, 58,407.28 and 20,211.81 is: 30,308.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,950.52 : 58,407.28 = 20,211.81 : x
  2. Step 2: Convert to fraction form
    38,950.52/58,407.28 = 20,211.81/x
  3. Step 3: Cross multiply
    38,950.52x = 58,407.28 × 20,211.81
  4. Step 4: Simplify right side
    38,950.52x = 1,180,516,576.42
  5. Step 5: Solve for x
    x = 1,180,516,576.42/38,950.52
  6. Step 6: Final answer
    x = 30,308.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.