Home / 35,610.12-49,134.84-19,691.49

Finding the Fourth Proportional to 35,610.12, 49,134.84 and 19,691.49

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Solution

The fourth proportional to 35,610.12, 49,134.84 and 19,691.49 is: 27,170.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,610.12 : 49,134.84 = 19,691.49 : x
  2. Step 2: Convert to fraction form
    35,610.12/49,134.84 = 19,691.49/x
  3. Step 3: Cross multiply
    35,610.12x = 49,134.84 × 19,691.49
  4. Step 4: Simplify right side
    35,610.12x = 967,538,210.51
  5. Step 5: Solve for x
    x = 967,538,210.51/35,610.12
  6. Step 6: Final answer
    x = 27,170.32

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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.