Home / 35,656.38-49,205.16-19,740.78

Finding the Fourth Proportional to 35,656.38, 49,205.16 and 19,740.78

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Solution

The fourth proportional to 35,656.38, 49,205.16 and 19,740.78 is: 27,241.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,656.38 : 49,205.16 = 19,740.78 : x
  2. Step 2: Convert to fraction form
    35,656.38/49,205.16 = 19,740.78/x
  3. Step 3: Cross multiply
    35,656.38x = 49,205.16 × 19,740.78
  4. Step 4: Simplify right side
    35,656.38x = 971,348,238.42
  5. Step 5: Solve for x
    x = 971,348,238.42/35,656.38
  6. Step 6: Final answer
    x = 27,241.92

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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.