Home / 51,528.68-71,106.18-28,863.72

Finding the Fourth Proportional to 51,528.68, 71,106.18 and 28,863.72

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Solution

The fourth proportional to 51,528.68, 71,106.18 and 28,863.72 is: 39,830.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,528.68 : 71,106.18 = 28,863.72 : x
  2. Step 2: Convert to fraction form
    51,528.68/71,106.18 = 28,863.72/x
  3. Step 3: Cross multiply
    51,528.68x = 71,106.18 × 28,863.72
  4. Step 4: Simplify right side
    51,528.68x = 2,052,388,869.79
  5. Step 5: Solve for x
    x = 2,052,388,869.79/51,528.68
  6. Step 6: Final answer
    x = 39,830.03

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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.