Home / 33,088.91-45,668.88-18,941.78

Finding the Fourth Proportional to 33,088.91, 45,668.88 and 18,941.78

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Solution

The fourth proportional to 33,088.91, 45,668.88 and 18,941.78 is: 26,143.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,088.91 : 45,668.88 = 18,941.78 : x
  2. Step 2: Convert to fraction form
    33,088.91/45,668.88 = 18,941.78/x
  3. Step 3: Cross multiply
    33,088.91x = 45,668.88 × 18,941.78
  4. Step 4: Simplify right side
    33,088.91x = 865,049,991.98
  5. Step 5: Solve for x
    x = 865,049,991.98/33,088.91
  6. Step 6: Final answer
    x = 26,143.20

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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.