Home / 35,797.28-49,397.35-20,690.91

Finding the Fourth Proportional to 35,797.28, 49,397.35 and 20,690.91

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Solution

The fourth proportional to 35,797.28, 49,397.35 and 20,690.91 is: 28,551.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,797.28 : 49,397.35 = 20,690.91 : x
  2. Step 2: Convert to fraction form
    35,797.28/49,397.35 = 20,690.91/x
  3. Step 3: Cross multiply
    35,797.28x = 49,397.35 × 20,690.91
  4. Step 4: Simplify right side
    35,797.28x = 1,022,076,217.81
  5. Step 5: Solve for x
    x = 1,022,076,217.81/35,797.28
  6. Step 6: Final answer
    x = 28,551.79

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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.