Home / 30,405.20-41,958.33-16,976.07

Finding the Fourth Proportional to 30,405.20, 41,958.33 and 16,976.07

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Solution

The fourth proportional to 30,405.20, 41,958.33 and 16,976.07 is: 23,426.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,405.20 : 41,958.33 = 16,976.07 : x
  2. Step 2: Convert to fraction form
    30,405.20/41,958.33 = 16,976.07/x
  3. Step 3: Cross multiply
    30,405.20x = 41,958.33 × 16,976.07
  4. Step 4: Simplify right side
    30,405.20x = 712,287,547.16
  5. Step 5: Solve for x
    x = 712,287,547.16/30,405.20
  6. Step 6: Final answer
    x = 23,426.51

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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.