Home / 33,325.46-45,989.01-18,218.12

Finding the Fourth Proportional to 33,325.46, 45,989.01 and 18,218.12

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Solution

The fourth proportional to 33,325.46, 45,989.01 and 18,218.12 is: 25,140.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,325.46 : 45,989.01 = 18,218.12 : x
  2. Step 2: Convert to fraction form
    33,325.46/45,989.01 = 18,218.12/x
  3. Step 3: Cross multiply
    33,325.46x = 45,989.01 × 18,218.12
  4. Step 4: Simplify right side
    33,325.46x = 837,833,072.92
  5. Step 5: Solve for x
    x = 837,833,072.92/33,325.46
  6. Step 6: Final answer
    x = 25,140.93

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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.