Home / 63,717.28-87,928.08-35,420.96

Finding the Fourth Proportional to 63,717.28, 87,928.08 and 35,420.96

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Solution

The fourth proportional to 63,717.28, 87,928.08 and 35,420.96 is: 48,879.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,717.28 : 87,928.08 = 35,420.96 : x
  2. Step 2: Convert to fraction form
    63,717.28/87,928.08 = 35,420.96/x
  3. Step 3: Cross multiply
    63,717.28x = 87,928.08 × 35,420.96
  4. Step 4: Simplify right side
    63,717.28x = 3,114,497,004.56
  5. Step 5: Solve for x
    x = 3,114,497,004.56/63,717.28
  6. Step 6: Final answer
    x = 48,879.94

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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.