Home / 51,110.76-70,532.31-28,449.39

Finding the Fourth Proportional to 51,110.76, 70,532.31 and 28,449.39

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Solution

The fourth proportional to 51,110.76, 70,532.31 and 28,449.39 is: 39,259.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,110.76 : 70,532.31 = 28,449.39 : x
  2. Step 2: Convert to fraction form
    51,110.76/70,532.31 = 28,449.39/x
  3. Step 3: Cross multiply
    51,110.76x = 70,532.31 × 28,449.39
  4. Step 4: Simplify right side
    51,110.76x = 2,006,601,194.79
  5. Step 5: Solve for x
    x = 2,006,601,194.79/51,110.76
  6. Step 6: Final answer
    x = 39,259.86

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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.