Home / 37,867.73-52,257.23-20,640.08

Finding the Fourth Proportional to 37,867.73, 52,257.23 and 20,640.08

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Solution

The fourth proportional to 37,867.73, 52,257.23 and 20,640.08 is: 28,483.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,867.73 : 52,257.23 = 20,640.08 : x
  2. Step 2: Convert to fraction form
    37,867.73/52,257.23 = 20,640.08/x
  3. Step 3: Cross multiply
    37,867.73x = 52,257.23 × 20,640.08
  4. Step 4: Simplify right side
    37,867.73x = 1,078,593,407.78
  5. Step 5: Solve for x
    x = 1,078,593,407.78/37,867.73
  6. Step 6: Final answer
    x = 28,483.18

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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.