Home / 35,928.68-49,580.24-20,012.78

Finding the Fourth Proportional to 35,928.68, 49,580.24 and 20,012.78

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Solution

The fourth proportional to 35,928.68, 49,580.24 and 20,012.78 is: 27,616.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,928.68 : 49,580.24 = 20,012.78 : x
  2. Step 2: Convert to fraction form
    35,928.68/49,580.24 = 20,012.78/x
  3. Step 3: Cross multiply
    35,928.68x = 49,580.24 × 20,012.78
  4. Step 4: Simplify right side
    35,928.68x = 992,238,459.35
  5. Step 5: Solve for x
    x = 992,238,459.35/35,928.68
  6. Step 6: Final answer
    x = 27,616.90

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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.