Home / 35,177.58-48,549.69-20,066.78

Finding the Fourth Proportional to 35,177.58, 48,549.69 and 20,066.78

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Solution

The fourth proportional to 35,177.58, 48,549.69 and 20,066.78 is: 27,694.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,177.58 : 48,549.69 = 20,066.78 : x
  2. Step 2: Convert to fraction form
    35,177.58/48,549.69 = 20,066.78/x
  3. Step 3: Cross multiply
    35,177.58x = 48,549.69 × 20,066.78
  4. Step 4: Simplify right side
    35,177.58x = 974,235,705.55
  5. Step 5: Solve for x
    x = 974,235,705.55/35,177.58
  6. Step 6: Final answer
    x = 27,694.79

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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.