Home / 30,122.09-41,568.81-16,693.61

Finding the Fourth Proportional to 30,122.09, 41,568.81 and 16,693.61

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Solution

The fourth proportional to 30,122.09, 41,568.81 and 16,693.61 is: 23,037.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,122.09 : 41,568.81 = 16,693.61 : x
  2. Step 2: Convert to fraction form
    30,122.09/41,568.81 = 16,693.61/x
  3. Step 3: Cross multiply
    30,122.09x = 41,568.81 × 16,693.61
  4. Step 4: Simplify right side
    30,122.09x = 693,933,294.46
  5. Step 5: Solve for x
    x = 693,933,294.46/30,122.09
  6. Step 6: Final answer
    x = 23,037.36

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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.