Home / 33,247.40-45,881.46-18,140.13

Finding the Fourth Proportional to 33,247.40, 45,881.46 and 18,140.13

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Solution

The fourth proportional to 33,247.40, 45,881.46 and 18,140.13 is: 25,033.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,247.40 : 45,881.46 = 18,140.13 : x
  2. Step 2: Convert to fraction form
    33,247.40/45,881.46 = 18,140.13/x
  3. Step 3: Cross multiply
    33,247.40x = 45,881.46 × 18,140.13
  4. Step 4: Simplify right side
    33,247.40x = 832,295,648.99
  5. Step 5: Solve for x
    x = 832,295,648.99/33,247.40
  6. Step 6: Final answer
    x = 25,033.41

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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.