Home / 63,618.40-87,785.13-35,318.62

Finding the Fourth Proportional to 63,618.40, 87,785.13 and 35,318.62

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Solution

The fourth proportional to 63,618.40, 87,785.13 and 35,318.62 is: 48,735.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,618.40 : 87,785.13 = 35,318.62 : x
  2. Step 2: Convert to fraction form
    63,618.40/87,785.13 = 35,318.62/x
  3. Step 3: Cross multiply
    63,618.40x = 87,785.13 × 35,318.62
  4. Step 4: Simplify right side
    63,618.40x = 3,100,449,648.12
  5. Step 5: Solve for x
    x = 3,100,449,648.12/63,618.40
  6. Step 6: Final answer
    x = 48,735.11

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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.