Home / 37,930.25-52,346.70-20,937.86

Finding the Fourth Proportional to 37,930.25, 52,346.70 and 20,937.86

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Solution

The fourth proportional to 37,930.25, 52,346.70 and 20,937.86 is: 28,895.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,930.25 : 52,346.70 = 20,937.86 : x
  2. Step 2: Convert to fraction form
    37,930.25/52,346.70 = 20,937.86/x
  3. Step 3: Cross multiply
    37,930.25x = 52,346.70 × 20,937.86
  4. Step 4: Simplify right side
    37,930.25x = 1,096,027,876.06
  5. Step 5: Solve for x
    x = 1,096,027,876.06/37,930.25
  6. Step 6: Final answer
    x = 28,895.88

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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.