Home / 30,145.77-41,600.79-16,717.19

Finding the Fourth Proportional to 30,145.77, 41,600.79 and 16,717.19

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Solution

The fourth proportional to 30,145.77, 41,600.79 and 16,717.19 is: 23,069.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,145.77 : 41,600.79 = 16,717.19 : x
  2. Step 2: Convert to fraction form
    30,145.77/41,600.79 = 16,717.19/x
  3. Step 3: Cross multiply
    30,145.77x = 41,600.79 × 16,717.19
  4. Step 4: Simplify right side
    30,145.77x = 695,448,102.58
  5. Step 5: Solve for x
    x = 695,448,102.58/30,145.77
  6. Step 6: Final answer
    x = 23,069.51

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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.