Home / 35,912.54-49,560.18-20,805.23

Finding the Fourth Proportional to 35,912.54, 49,560.18 and 20,805.23

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Solution

The fourth proportional to 35,912.54, 49,560.18 and 20,805.23 is: 28,711.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,912.54 : 49,560.18 = 20,805.23 : x
  2. Step 2: Convert to fraction form
    35,912.54/49,560.18 = 20,805.23/x
  3. Step 3: Cross multiply
    35,912.54x = 49,560.18 × 20,805.23
  4. Step 4: Simplify right side
    35,912.54x = 1,031,110,943.74
  5. Step 5: Solve for x
    x = 1,031,110,943.74/35,912.54
  6. Step 6: Final answer
    x = 28,711.72

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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.