Home / 54,587.52-81,881.28-15,144.98

Finding the Fourth Proportional to 54,587.52, 81,881.28 and 15,144.98

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Solution

The fourth proportional to 54,587.52, 81,881.28 and 15,144.98 is: 22,717.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,587.52 : 81,881.28 = 15,144.98 : x
  2. Step 2: Convert to fraction form
    54,587.52/81,881.28 = 15,144.98/x
  3. Step 3: Cross multiply
    54,587.52x = 81,881.28 × 15,144.98
  4. Step 4: Simplify right side
    54,587.52x = 1,240,089,938.57
  5. Step 5: Solve for x
    x = 1,240,089,938.57/54,587.52
  6. Step 6: Final answer
    x = 22,717.46

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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.