Home / 41,288.48-61,889.34-20,199.40

Finding the Fourth Proportional to 41,288.48, 61,889.34 and 20,199.40

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Solution

The fourth proportional to 41,288.48, 61,889.34 and 20,199.40 is: 30,277.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,288.48 : 61,889.34 = 20,199.40 : x
  2. Step 2: Convert to fraction form
    41,288.48/61,889.34 = 20,199.40/x
  3. Step 3: Cross multiply
    41,288.48x = 61,889.34 × 20,199.40
  4. Step 4: Simplify right side
    41,288.48x = 1,250,127,534.40
  5. Step 5: Solve for x
    x = 1,250,127,534.40/41,288.48
  6. Step 6: Final answer
    x = 30,277.88

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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.