Home / 37,277.39-51,442.92-20,281.63

Finding the Fourth Proportional to 37,277.39, 51,442.92 and 20,281.63

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Solution

The fourth proportional to 37,277.39, 51,442.92 and 20,281.63 is: 27,988.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,277.39 : 51,442.92 = 20,281.63 : x
  2. Step 2: Convert to fraction form
    37,277.39/51,442.92 = 20,281.63/x
  3. Step 3: Cross multiply
    37,277.39x = 51,442.92 × 20,281.63
  4. Step 4: Simplify right side
    37,277.39x = 1,043,346,269.56
  5. Step 5: Solve for x
    x = 1,043,346,269.56/37,277.39
  6. Step 6: Final answer
    x = 27,988.72

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Double scale
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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.