Home / 30,155.94-41,613.75-16,726.14

Finding the Fourth Proportional to 30,155.94, 41,613.75 and 16,726.14

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Solution

The fourth proportional to 30,155.94, 41,613.75 and 16,726.14 is: 23,081.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,155.94 : 41,613.75 = 16,726.14 : x
  2. Step 2: Convert to fraction form
    30,155.94/41,613.75 = 16,726.14/x
  3. Step 3: Cross multiply
    30,155.94x = 41,613.75 × 16,726.14
  4. Step 4: Simplify right side
    30,155.94x = 696,037,408.43
  5. Step 5: Solve for x
    x = 696,037,408.43/30,155.94
  6. Step 6: Final answer
    x = 23,081.27

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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.