Home / 63,979.40-95,969.10-30,693.80

Finding the Fourth Proportional to 63,979.40, 95,969.10 and 30,693.80

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Solution

The fourth proportional to 63,979.40, 95,969.10 and 30,693.80 is: 46,040.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,979.40 : 95,969.10 = 30,693.80 : x
  2. Step 2: Convert to fraction form
    63,979.40/95,969.10 = 30,693.80/x
  3. Step 3: Cross multiply
    63,979.40x = 95,969.10 × 30,693.80
  4. Step 4: Simplify right side
    63,979.40x = 2,945,656,361.58
  5. Step 5: Solve for x
    x = 2,945,656,361.58/63,979.40
  6. Step 6: Final answer
    x = 46,040.70

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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.