Home / 54,750.48-82,125.80-15,307.56

Finding the Fourth Proportional to 54,750.48, 82,125.80 and 15,307.56

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Solution

The fourth proportional to 54,750.48, 82,125.80 and 15,307.56 is: 22,961.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,750.48 : 82,125.80 = 15,307.56 : x
  2. Step 2: Convert to fraction form
    54,750.48/82,125.80 = 15,307.56/x
  3. Step 3: Cross multiply
    54,750.48x = 82,125.80 × 15,307.56
  4. Step 4: Simplify right side
    54,750.48x = 1,257,145,360.93
  5. Step 5: Solve for x
    x = 1,257,145,360.93/54,750.48
  6. Step 6: Final answer
    x = 22,961.36

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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.