Home / 55,488.48-76,534.56-33,979.20

Finding the Fourth Proportional to 55,488.48, 76,534.56 and 33,979.20

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Solution

The fourth proportional to 55,488.48, 76,534.56 and 33,979.20 is: 46,867.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,488.48 : 76,534.56 = 33,979.20 : x
  2. Step 2: Convert to fraction form
    55,488.48/76,534.56 = 33,979.20/x
  3. Step 3: Cross multiply
    55,488.48x = 76,534.56 × 33,979.20
  4. Step 4: Simplify right side
    55,488.48x = 2,600,583,121.15
  5. Step 5: Solve for x
    x = 2,600,583,121.15/55,488.48
  6. Step 6: Final answer
    x = 46,867.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.