Home / 35,631.72-49,171.08-19,716.18

Finding the Fourth Proportional to 35,631.72, 49,171.08 and 19,716.18

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Solution

The fourth proportional to 35,631.72, 49,171.08 and 19,716.18 is: 27,207.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,631.72 : 49,171.08 = 19,716.18 : x
  2. Step 2: Convert to fraction form
    35,631.72/49,171.08 = 19,716.18/x
  3. Step 3: Cross multiply
    35,631.72x = 49,171.08 × 19,716.18
  4. Step 4: Simplify right side
    35,631.72x = 969,465,864.07
  5. Step 5: Solve for x
    x = 969,465,864.07/35,631.72
  6. Step 6: Final answer
    x = 27,207.94

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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.