Home / 51,921.48-77,884.80-25,291.92

Finding the Fourth Proportional to 51,921.48, 77,884.80 and 25,291.92

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Solution

The fourth proportional to 51,921.48, 77,884.80 and 25,291.92 is: 37,939.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,921.48 : 77,884.80 = 25,291.92 : x
  2. Step 2: Convert to fraction form
    51,921.48/77,884.80 = 25,291.92/x
  3. Step 3: Cross multiply
    51,921.48x = 77,884.80 × 25,291.92
  4. Step 4: Simplify right side
    51,921.48x = 1,969,856,130.82
  5. Step 5: Solve for x
    x = 1,969,856,130.82/51,921.48
  6. Step 6: Final answer
    x = 37,939.14

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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.