Home / 51,529.26-71,113.92-28,870.04

Finding the Fourth Proportional to 51,529.26, 71,113.92 and 28,870.04

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Solution

The fourth proportional to 51,529.26, 71,113.92 and 28,870.04 is: 39,842.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,529.26 : 71,113.92 = 28,870.04 : x
  2. Step 2: Convert to fraction form
    51,529.26/71,113.92 = 28,870.04/x
  3. Step 3: Cross multiply
    51,529.26x = 71,113.92 × 28,870.04
  4. Step 4: Simplify right side
    51,529.26x = 2,053,061,714.96
  5. Step 5: Solve for x
    x = 2,053,061,714.96/51,529.26
  6. Step 6: Final answer
    x = 39,842.64

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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.