Home / 39,439.17-59,105.97-19,418.13

Finding the Fourth Proportional to 39,439.17, 59,105.97 and 19,418.13

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Solution

The fourth proportional to 39,439.17, 59,105.97 and 19,418.13 is: 29,101.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,439.17 : 59,105.97 = 19,418.13 : x
  2. Step 2: Convert to fraction form
    39,439.17/59,105.97 = 19,418.13/x
  3. Step 3: Cross multiply
    39,439.17x = 59,105.97 × 19,418.13
  4. Step 4: Simplify right side
    39,439.17x = 1,147,727,409.24
  5. Step 5: Solve for x
    x = 1,147,727,409.24/39,439.17
  6. Step 6: Final answer
    x = 29,101.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.