Home / 30,349.54-41,881.62-16,920.75

Finding the Fourth Proportional to 30,349.54, 41,881.62 and 16,920.75

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Solution

The fourth proportional to 30,349.54, 41,881.62 and 16,920.75 is: 23,350.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,349.54 : 41,881.62 = 16,920.75 : x
  2. Step 2: Convert to fraction form
    30,349.54/41,881.62 = 16,920.75/x
  3. Step 3: Cross multiply
    30,349.54x = 41,881.62 × 16,920.75
  4. Step 4: Simplify right side
    30,349.54x = 708,668,421.62
  5. Step 5: Solve for x
    x = 708,668,421.62/30,349.54
  6. Step 6: Final answer
    x = 23,350.22

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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.