Home / 45,953.92-68,875.24-20,959.72

Finding the Fourth Proportional to 45,953.92, 68,875.24 and 20,959.72

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Solution

The fourth proportional to 45,953.92, 68,875.24 and 20,959.72 is: 31,414.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,953.92 : 68,875.24 = 20,959.72 : x
  2. Step 2: Convert to fraction form
    45,953.92/68,875.24 = 20,959.72/x
  3. Step 3: Cross multiply
    45,953.92x = 68,875.24 × 20,959.72
  4. Step 4: Simplify right side
    45,953.92x = 1,443,605,745.33
  5. Step 5: Solve for x
    x = 1,443,605,745.33/45,953.92
  6. Step 6: Final answer
    x = 31,414.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.