Home / 33,142.16-45,737.85-18,994.97

Finding the Fourth Proportional to 33,142.16, 45,737.85 and 18,994.97

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Solution

The fourth proportional to 33,142.16, 45,737.85 and 18,994.97 is: 26,214.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,142.16 : 45,737.85 = 18,994.97 : x
  2. Step 2: Convert to fraction form
    33,142.16/45,737.85 = 18,994.97/x
  3. Step 3: Cross multiply
    33,142.16x = 45,737.85 × 18,994.97
  4. Step 4: Simplify right side
    33,142.16x = 868,788,859.93
  5. Step 5: Solve for x
    x = 868,788,859.93/33,142.16
  6. Step 6: Final answer
    x = 26,214.01

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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.