Home / 35,901.26-49,540.18-20,798.78

Finding the Fourth Proportional to 35,901.26, 49,540.18 and 20,798.78

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Solution

The fourth proportional to 35,901.26, 49,540.18 and 20,798.78 is: 28,700.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,901.26 : 49,540.18 = 20,798.78 : x
  2. Step 2: Convert to fraction form
    35,901.26/49,540.18 = 20,798.78/x
  3. Step 3: Cross multiply
    35,901.26x = 49,540.18 × 20,798.78
  4. Step 4: Simplify right side
    35,901.26x = 1,030,375,304.98
  5. Step 5: Solve for x
    x = 1,030,375,304.98/35,901.26
  6. Step 6: Final answer
    x = 28,700.25

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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.