Home / 51,229.32-70,702.50-28,571.88

Finding the Fourth Proportional to 51,229.32, 70,702.50 and 28,571.88

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Solution

The fourth proportional to 51,229.32, 70,702.50 and 28,571.88 is: 39,432.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,229.32 : 70,702.50 = 28,571.88 : x
  2. Step 2: Convert to fraction form
    51,229.32/70,702.50 = 28,571.88/x
  3. Step 3: Cross multiply
    51,229.32x = 70,702.50 × 28,571.88
  4. Step 4: Simplify right side
    51,229.32x = 2,020,103,345.70
  5. Step 5: Solve for x
    x = 2,020,103,345.70/51,229.32
  6. Step 6: Final answer
    x = 39,432.56

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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.