Home / 51,839.56-77,713.03-20,242.27

Finding the Fourth Proportional to 51,839.56, 77,713.03 and 20,242.27

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Solution

The fourth proportional to 51,839.56, 77,713.03 and 20,242.27 is: 30,345.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,839.56 : 77,713.03 = 20,242.27 : x
  2. Step 2: Convert to fraction form
    51,839.56/77,713.03 = 20,242.27/x
  3. Step 3: Cross multiply
    51,839.56x = 77,713.03 × 20,242.27
  4. Step 4: Simplify right side
    51,839.56x = 1,573,087,646.00
  5. Step 5: Solve for x
    x = 1,573,087,646.00/51,839.56
  6. Step 6: Final answer
    x = 30,345.32

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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.