Home / 30,118.07-41,561.81-17,371.77

Finding the Fourth Proportional to 30,118.07, 41,561.81 and 17,371.77

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Solution

The fourth proportional to 30,118.07, 41,561.81 and 17,371.77 is: 23,972.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,118.07 : 41,561.81 = 17,371.77 : x
  2. Step 2: Convert to fraction form
    30,118.07/41,561.81 = 17,371.77/x
  3. Step 3: Cross multiply
    30,118.07x = 41,561.81 × 17,371.77
  4. Step 4: Simplify right side
    30,118.07x = 722,002,117.24
  5. Step 5: Solve for x
    x = 722,002,117.24/30,118.07
  6. Step 6: Final answer
    x = 23,972.39

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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.