Home / 51,479.26-71,048.08-28,826.88

Finding the Fourth Proportional to 51,479.26, 71,048.08 and 28,826.88

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Solution

The fourth proportional to 51,479.26, 71,048.08 and 28,826.88 is: 39,784.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,479.26 : 71,048.08 = 28,826.88 : x
  2. Step 2: Convert to fraction form
    51,479.26/71,048.08 = 28,826.88/x
  3. Step 3: Cross multiply
    51,479.26x = 71,048.08 × 28,826.88
  4. Step 4: Simplify right side
    51,479.26x = 2,048,094,476.39
  5. Step 5: Solve for x
    x = 2,048,094,476.39/51,479.26
  6. Step 6: Final answer
    x = 39,784.85

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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.