Home / 63,660.43-87,852.78-34,980.50

Finding the Fourth Proportional to 63,660.43, 87,852.78 and 34,980.50

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Solution

The fourth proportional to 63,660.43, 87,852.78 and 34,980.50 is: 48,273.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,660.43 : 87,852.78 = 34,980.50 : x
  2. Step 2: Convert to fraction form
    63,660.43/87,852.78 = 34,980.50/x
  3. Step 3: Cross multiply
    63,660.43x = 87,852.78 × 34,980.50
  4. Step 4: Simplify right side
    63,660.43x = 3,073,134,170.79
  5. Step 5: Solve for x
    x = 3,073,134,170.79/63,660.43
  6. Step 6: Final answer
    x = 48,273.85

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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.