Home / 35,716.38-49,278.36-20,607.84

Finding the Fourth Proportional to 35,716.38, 49,278.36 and 20,607.84

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Solution

The fourth proportional to 35,716.38, 49,278.36 and 20,607.84 is: 28,432.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,716.38 : 49,278.36 = 20,607.84 : x
  2. Step 2: Convert to fraction form
    35,716.38/49,278.36 = 20,607.84/x
  3. Step 3: Cross multiply
    35,716.38x = 49,278.36 × 20,607.84
  4. Step 4: Simplify right side
    35,716.38x = 1,015,520,558.34
  5. Step 5: Solve for x
    x = 1,015,520,558.34/35,716.38
  6. Step 6: Final answer
    x = 28,432.91

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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.