Home / 33,088.10-45,663.89-18,747.81

Finding the Fourth Proportional to 33,088.10, 45,663.89 and 18,747.81

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Solution

The fourth proportional to 33,088.10, 45,663.89 and 18,747.81 is: 25,873.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,088.10 : 45,663.89 = 18,747.81 : x
  2. Step 2: Convert to fraction form
    33,088.10/45,663.89 = 18,747.81/x
  3. Step 3: Cross multiply
    33,088.10x = 45,663.89 × 18,747.81
  4. Step 4: Simplify right side
    33,088.10x = 856,097,839.84
  5. Step 5: Solve for x
    x = 856,097,839.84/33,088.10
  6. Step 6: Final answer
    x = 25,873.29

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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.