Home / 30,067.79-41,492.96-16,639.61

Finding the Fourth Proportional to 30,067.79, 41,492.96 and 16,639.61

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Solution

The fourth proportional to 30,067.79, 41,492.96 and 16,639.61 is: 22,962.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,067.79 : 41,492.96 = 16,639.61 : x
  2. Step 2: Convert to fraction form
    30,067.79/41,492.96 = 16,639.61/x
  3. Step 3: Cross multiply
    30,067.79x = 41,492.96 × 16,639.61
  4. Step 4: Simplify right side
    30,067.79x = 690,426,677.28
  5. Step 5: Solve for x
    x = 690,426,677.28/30,067.79
  6. Step 6: Final answer
    x = 22,962.33

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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.