Home / 51,527.12-71,091.29-28,863.05

Finding the Fourth Proportional to 51,527.12, 71,091.29 and 28,863.05

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Solution

The fourth proportional to 51,527.12, 71,091.29 and 28,863.05 is: 39,821.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,527.12 : 71,091.29 = 28,863.05 : x
  2. Step 2: Convert to fraction form
    51,527.12/71,091.29 = 28,863.05/x
  3. Step 3: Cross multiply
    51,527.12x = 71,091.29 × 28,863.05
  4. Step 4: Simplify right side
    51,527.12x = 2,051,911,313.52
  5. Step 5: Solve for x
    x = 2,051,911,313.52/51,527.12
  6. Step 6: Final answer
    x = 39,821.97

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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.