Home / 45,330.31-68,002.76-19,042.57

Finding the Fourth Proportional to 45,330.31, 68,002.76 and 19,042.57

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Solution

The fourth proportional to 45,330.31, 68,002.76 and 19,042.57 is: 28,566.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,330.31 : 68,002.76 = 19,042.57 : x
  2. Step 2: Convert to fraction form
    45,330.31/68,002.76 = 19,042.57/x
  3. Step 3: Cross multiply
    45,330.31x = 68,002.76 × 19,042.57
  4. Step 4: Simplify right side
    45,330.31x = 1,294,947,222.28
  5. Step 5: Solve for x
    x = 1,294,947,222.28/45,330.31
  6. Step 6: Final answer
    x = 28,566.92

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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.