Home / 35,797.14-49,397.16-20,690.78

Finding the Fourth Proportional to 35,797.14, 49,397.16 and 20,690.78

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Solution

The fourth proportional to 35,797.14, 49,397.16 and 20,690.78 is: 28,551.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,797.14 : 49,397.16 = 20,690.78 : x
  2. Step 2: Convert to fraction form
    35,797.14/49,397.16 = 20,690.78/x
  3. Step 3: Cross multiply
    35,797.14x = 49,397.16 × 20,690.78
  4. Step 4: Simplify right side
    35,797.14x = 1,022,065,770.18
  5. Step 5: Solve for x
    x = 1,022,065,770.18/35,797.14
  6. Step 6: Final answer
    x = 28,551.60

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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.