Home / 54,403.39-81,587.80-17,458.75

Finding the Fourth Proportional to 54,403.39, 81,587.80 and 17,458.75

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Solution

The fourth proportional to 54,403.39, 81,587.80 and 17,458.75 is: 26,182.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,403.39 : 81,587.80 = 17,458.75 : x
  2. Step 2: Convert to fraction form
    54,403.39/81,587.80 = 17,458.75/x
  3. Step 3: Cross multiply
    54,403.39x = 81,587.80 × 17,458.75
  4. Step 4: Simplify right side
    54,403.39x = 1,424,421,003.25
  5. Step 5: Solve for x
    x = 1,424,421,003.25/54,403.39
  6. Step 6: Final answer
    x = 26,182.58

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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.