Home / 35,493.06-48,979.67-19,578.99

Finding the Fourth Proportional to 35,493.06, 48,979.67 and 19,578.99

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Solution

The fourth proportional to 35,493.06, 48,979.67 and 19,578.99 is: 27,018.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,493.06 : 48,979.67 = 19,578.99 : x
  2. Step 2: Convert to fraction form
    35,493.06/48,979.67 = 19,578.99/x
  3. Step 3: Cross multiply
    35,493.06x = 48,979.67 × 19,578.99
  4. Step 4: Simplify right side
    35,493.06x = 958,972,371.24
  5. Step 5: Solve for x
    x = 958,972,371.24/35,493.06
  6. Step 6: Final answer
    x = 27,018.59

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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.