Home / 29,990.39-41,385.94-16,378.80

Finding the Fourth Proportional to 29,990.39, 41,385.94 and 16,378.80

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Solution

The fourth proportional to 29,990.39, 41,385.94 and 16,378.80 is: 22,602.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,990.39 : 41,385.94 = 16,378.80 : x
  2. Step 2: Convert to fraction form
    29,990.39/41,385.94 = 16,378.80/x
  3. Step 3: Cross multiply
    29,990.39x = 41,385.94 × 16,378.80
  4. Step 4: Simplify right side
    29,990.39x = 677,851,827.14
  5. Step 5: Solve for x
    x = 677,851,827.14/29,990.39
  6. Step 6: Final answer
    x = 22,602.30

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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.