Home / 47,382.31-71,073.11-19,295.76

Finding the Fourth Proportional to 47,382.31, 71,073.11 and 19,295.76

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Solution

The fourth proportional to 47,382.31, 71,073.11 and 19,295.76 is: 28,943.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,382.31 : 71,073.11 = 19,295.76 : x
  2. Step 2: Convert to fraction form
    47,382.31/71,073.11 = 19,295.76/x
  3. Step 3: Cross multiply
    47,382.31x = 71,073.11 × 19,295.76
  4. Step 4: Simplify right side
    47,382.31x = 1,371,409,721.25
  5. Step 5: Solve for x
    x = 1,371,409,721.25/47,382.31
  6. Step 6: Final answer
    x = 28,943.50

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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.