Home / 63,420.13-95,119.56-21,295.47

Finding the Fourth Proportional to 63,420.13, 95,119.56 and 21,295.47

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Solution

The fourth proportional to 63,420.13, 95,119.56 and 21,295.47 is: 31,939.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,420.13 : 95,119.56 = 21,295.47 : x
  2. Step 2: Convert to fraction form
    63,420.13/95,119.56 = 21,295.47/x
  3. Step 3: Cross multiply
    63,420.13x = 95,119.56 × 21,295.47
  4. Step 4: Simplify right side
    63,420.13x = 2,025,615,736.39
  5. Step 5: Solve for x
    x = 2,025,615,736.39/63,420.13
  6. Step 6: Final answer
    x = 31,939.64

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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.