Home / 55,679.39-83,523.86-18,239.31

Finding the Fourth Proportional to 55,679.39, 83,523.86 and 18,239.31

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Solution

The fourth proportional to 55,679.39, 83,523.86 and 18,239.31 is: 27,360.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,679.39 : 83,523.86 = 18,239.31 : x
  2. Step 2: Convert to fraction form
    55,679.39/83,523.86 = 18,239.31/x
  3. Step 3: Cross multiply
    55,679.39x = 83,523.86 × 18,239.31
  4. Step 4: Simplify right side
    55,679.39x = 1,523,417,574.94
  5. Step 5: Solve for x
    x = 1,523,417,574.94/55,679.39
  6. Step 6: Final answer
    x = 27,360.53

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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.