Home / 30,934.36-42,697.29-19,610.56

Finding the Fourth Proportional to 30,934.36, 42,697.29 and 19,610.56

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Solution

The fourth proportional to 30,934.36, 42,697.29 and 19,610.56 is: 27,067.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,934.36 : 42,697.29 = 19,610.56 : x
  2. Step 2: Convert to fraction form
    30,934.36/42,697.29 = 19,610.56/x
  3. Step 3: Cross multiply
    30,934.36x = 42,697.29 × 19,610.56
  4. Step 4: Simplify right side
    30,934.36x = 837,317,767.38
  5. Step 5: Solve for x
    x = 837,317,767.38/30,934.36
  6. Step 6: Final answer
    x = 27,067.56

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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.