Home / 51,930.15-71,663.52-28,056.75

Finding the Fourth Proportional to 51,930.15, 71,663.52 and 28,056.75

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Solution

The fourth proportional to 51,930.15, 71,663.52 and 28,056.75 is: 38,718.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,930.15 : 71,663.52 = 28,056.75 : x
  2. Step 2: Convert to fraction form
    51,930.15/71,663.52 = 28,056.75/x
  3. Step 3: Cross multiply
    51,930.15x = 71,663.52 × 28,056.75
  4. Step 4: Simplify right side
    51,930.15x = 2,010,645,464.76
  5. Step 5: Solve for x
    x = 2,010,645,464.76/51,930.15
  6. Step 6: Final answer
    x = 38,718.27

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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.