Home / 51,348.44-70,856.76-28,685.64

Finding the Fourth Proportional to 51,348.44, 70,856.76 and 28,685.64

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Solution

The fourth proportional to 51,348.44, 70,856.76 and 28,685.64 is: 39,583.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,348.44 : 70,856.76 = 28,685.64 : x
  2. Step 2: Convert to fraction form
    51,348.44/70,856.76 = 28,685.64/x
  3. Step 3: Cross multiply
    51,348.44x = 70,856.76 × 28,685.64
  4. Step 4: Simplify right side
    51,348.44x = 2,032,571,508.93
  5. Step 5: Solve for x
    x = 2,032,571,508.93/51,348.44
  6. Step 6: Final answer
    x = 39,583.90

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1.5x scale

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.