Home / 54,750.40-82,125.60-15,307.45

Finding the Fourth Proportional to 54,750.40, 82,125.60 and 15,307.45

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Solution

The fourth proportional to 54,750.40, 82,125.60 and 15,307.45 is: 22,961.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,750.40 : 82,125.60 = 15,307.45 : x
  2. Step 2: Convert to fraction form
    54,750.40/82,125.60 = 15,307.45/x
  3. Step 3: Cross multiply
    54,750.40x = 82,125.60 × 15,307.45
  4. Step 4: Simplify right side
    54,750.40x = 1,257,133,515.72
  5. Step 5: Solve for x
    x = 1,257,133,515.72/54,750.40
  6. Step 6: Final answer
    x = 22,961.18

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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.