Home / 33,140.16-45,731.52-18,236.16

Finding the Fourth Proportional to 33,140.16, 45,731.52 and 18,236.16

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Solution

The fourth proportional to 33,140.16, 45,731.52 and 18,236.16 is: 25,164.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,140.16 : 45,731.52 = 18,236.16 : x
  2. Step 2: Convert to fraction form
    33,140.16/45,731.52 = 18,236.16/x
  3. Step 3: Cross multiply
    33,140.16x = 45,731.52 × 18,236.16
  4. Step 4: Simplify right side
    33,140.16x = 833,967,315.76
  5. Step 5: Solve for x
    x = 833,967,315.76/33,140.16
  6. Step 6: Final answer
    x = 25,164.85

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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.