Home / 39,750.70-54,856.92-21,846.10

Finding the Fourth Proportional to 39,750.70, 54,856.92 and 21,846.10

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Solution

The fourth proportional to 39,750.70, 54,856.92 and 21,846.10 is: 30,148.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,750.70 : 54,856.92 = 21,846.10 : x
  2. Step 2: Convert to fraction form
    39,750.70/54,856.92 = 21,846.10/x
  3. Step 3: Cross multiply
    39,750.70x = 54,856.92 × 21,846.10
  4. Step 4: Simplify right side
    39,750.70x = 1,198,409,760.01
  5. Step 5: Solve for x
    x = 1,198,409,760.01/39,750.70
  6. Step 6: Final answer
    x = 30,148.14

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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.