Home / 30,410.25-41,965.33-16,981.13

Finding the Fourth Proportional to 30,410.25, 41,965.33 and 16,981.13

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Solution

The fourth proportional to 30,410.25, 41,965.33 and 16,981.13 is: 23,433.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,410.25 : 41,965.33 = 16,981.13 : x
  2. Step 2: Convert to fraction form
    30,410.25/41,965.33 = 16,981.13/x
  3. Step 3: Cross multiply
    30,410.25x = 41,965.33 × 16,981.13
  4. Step 4: Simplify right side
    30,410.25x = 712,618,724.22
  5. Step 5: Solve for x
    x = 712,618,724.22/30,410.25
  6. Step 6: Final answer
    x = 23,433.50

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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.