Home / 35,818.20-49,414.95-20,708.07

Finding the Fourth Proportional to 35,818.20, 49,414.95 and 20,708.07

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Solution

The fourth proportional to 35,818.20, 49,414.95 and 20,708.07 is: 28,568.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,818.20 : 49,414.95 = 20,708.07 : x
  2. Step 2: Convert to fraction form
    35,818.20/49,414.95 = 20,708.07/x
  3. Step 3: Cross multiply
    35,818.20x = 49,414.95 × 20,708.07
  4. Step 4: Simplify right side
    35,818.20x = 1,023,288,243.65
  5. Step 5: Solve for x
    x = 1,023,288,243.65/35,818.20
  6. Step 6: Final answer
    x = 28,568.95

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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.