Home / 51,947.40-71,689.50-29,287.23

Finding the Fourth Proportional to 51,947.40, 71,689.50 and 29,287.23

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Solution

The fourth proportional to 51,947.40, 71,689.50 and 29,287.23 is: 40,417.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,947.40 : 71,689.50 = 29,287.23 : x
  2. Step 2: Convert to fraction form
    51,947.40/71,689.50 = 29,287.23/x
  3. Step 3: Cross multiply
    51,947.40x = 71,689.50 × 29,287.23
  4. Step 4: Simplify right side
    51,947.40x = 2,099,586,875.09
  5. Step 5: Solve for x
    x = 2,099,586,875.09/51,947.40
  6. Step 6: Final answer
    x = 40,417.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.