Home / 37,285.92-51,454.04-20,518.92

Finding the Fourth Proportional to 37,285.92, 51,454.04 and 20,518.92

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Solution

The fourth proportional to 37,285.92, 51,454.04 and 20,518.92 is: 28,315.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,285.92 : 51,454.04 = 20,518.92 : x
  2. Step 2: Convert to fraction form
    37,285.92/51,454.04 = 20,518.92/x
  3. Step 3: Cross multiply
    37,285.92x = 51,454.04 × 20,518.92
  4. Step 4: Simplify right side
    37,285.92x = 1,055,781,227.84
  5. Step 5: Solve for x
    x = 1,055,781,227.84/37,285.92
  6. Step 6: Final answer
    x = 28,315.82

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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.