Home / 51,669.80-71,305.06-29,013.70

Finding the Fourth Proportional to 51,669.80, 71,305.06 and 29,013.70

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Solution

The fourth proportional to 51,669.80, 71,305.06 and 29,013.70 is: 40,039.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,669.80 : 71,305.06 = 29,013.70 : x
  2. Step 2: Convert to fraction form
    51,669.80/71,305.06 = 29,013.70/x
  3. Step 3: Cross multiply
    51,669.80x = 71,305.06 × 29,013.70
  4. Step 4: Simplify right side
    51,669.80x = 2,068,823,619.32
  5. Step 5: Solve for x
    x = 2,068,823,619.32/51,669.80
  6. Step 6: Final answer
    x = 40,039.32

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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.