Home / 51,482.43-71,039.88-28,818.27

Finding the Fourth Proportional to 51,482.43, 71,039.88 and 28,818.27

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Solution

The fourth proportional to 51,482.43, 71,039.88 and 28,818.27 is: 39,765.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,482.43 : 71,039.88 = 28,818.27 : x
  2. Step 2: Convert to fraction form
    51,482.43/71,039.88 = 28,818.27/x
  3. Step 3: Cross multiply
    51,482.43x = 71,039.88 × 28,818.27
  4. Step 4: Simplify right side
    51,482.43x = 2,047,246,442.61
  5. Step 5: Solve for x
    x = 2,047,246,442.61/51,482.43
  6. Step 6: Final answer
    x = 39,765.92

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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.