Home / 33,127.93-45,716.55-18,988.99

Finding the Fourth Proportional to 33,127.93, 45,716.55 and 18,988.99

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Solution

The fourth proportional to 33,127.93, 45,716.55 and 18,988.99 is: 26,204.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,127.93 : 45,716.55 = 18,988.99 : x
  2. Step 2: Convert to fraction form
    33,127.93/45,716.55 = 18,988.99/x
  3. Step 3: Cross multiply
    33,127.93x = 45,716.55 × 18,988.99
  4. Step 4: Simplify right side
    33,127.93x = 868,111,110.78
  5. Step 5: Solve for x
    x = 868,111,110.78/33,127.93
  6. Step 6: Final answer
    x = 26,204.81

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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.