Home / 63,430.19-95,149.38-21,308.57

Finding the Fourth Proportional to 63,430.19, 95,149.38 and 21,308.57

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Solution

The fourth proportional to 63,430.19, 95,149.38 and 21,308.57 is: 31,964.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,430.19 : 95,149.38 = 21,308.57 : x
  2. Step 2: Convert to fraction form
    63,430.19/95,149.38 = 21,308.57/x
  3. Step 3: Cross multiply
    63,430.19x = 95,149.38 × 21,308.57
  4. Step 4: Simplify right side
    63,430.19x = 2,027,497,185.16
  5. Step 5: Solve for x
    x = 2,027,497,185.16/63,430.19
  6. Step 6: Final answer
    x = 31,964.23

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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.