Home / 30,145.35-41,601.54-16,717.85

Finding the Fourth Proportional to 30,145.35, 41,601.54 and 16,717.85

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Solution

The fourth proportional to 30,145.35, 41,601.54 and 16,717.85 is: 23,071.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,145.35 : 41,601.54 = 16,717.85 : x
  2. Step 2: Convert to fraction form
    30,145.35/41,601.54 = 16,717.85/x
  3. Step 3: Cross multiply
    30,145.35x = 41,601.54 × 16,717.85
  4. Step 4: Simplify right side
    30,145.35x = 695,488,097.48
  5. Step 5: Solve for x
    x = 695,488,097.48/30,145.35
  6. Step 6: Final answer
    x = 23,071.16

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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.