Home / 34,906.09-48,168.98-18,990.55

Finding the Fourth Proportional to 34,906.09, 48,168.98 and 18,990.55

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Solution

The fourth proportional to 34,906.09, 48,168.98 and 18,990.55 is: 26,206.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,906.09 : 48,168.98 = 18,990.55 : x
  2. Step 2: Convert to fraction form
    34,906.09/48,168.98 = 18,990.55/x
  3. Step 3: Cross multiply
    34,906.09x = 48,168.98 × 18,990.55
  4. Step 4: Simplify right side
    34,906.09x = 914,755,459.61
  5. Step 5: Solve for x
    x = 914,755,459.61/34,906.09
  6. Step 6: Final answer
    x = 26,206.19

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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.