Home / 63,705.15-87,918.03-38,212.52

Finding the Fourth Proportional to 63,705.15, 87,918.03 and 38,212.52

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Solution

The fourth proportional to 63,705.15, 87,918.03 and 38,212.52 is: 52,736.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,705.15 : 87,918.03 = 38,212.52 : x
  2. Step 2: Convert to fraction form
    63,705.15/87,918.03 = 38,212.52/x
  3. Step 3: Cross multiply
    63,705.15x = 87,918.03 × 38,212.52
  4. Step 4: Simplify right side
    63,705.15x = 3,359,569,040.15
  5. Step 5: Solve for x
    x = 3,359,569,040.15/63,705.15
  6. Step 6: Final answer
    x = 52,736.22

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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.