Home / 37,959.72-52,383.12-20,963.64

Finding the Fourth Proportional to 37,959.72, 52,383.12 and 20,963.64

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Solution

The fourth proportional to 37,959.72, 52,383.12 and 20,963.64 is: 28,929.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,959.72 : 52,383.12 = 20,963.64 : x
  2. Step 2: Convert to fraction form
    37,959.72/52,383.12 = 20,963.64/x
  3. Step 3: Cross multiply
    37,959.72x = 52,383.12 × 20,963.64
  4. Step 4: Simplify right side
    37,959.72x = 1,098,140,869.76
  5. Step 5: Solve for x
    x = 1,098,140,869.76/37,959.72
  6. Step 6: Final answer
    x = 28,929.11

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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.