Home / 33,316.38-45,977.58-18,209.70

Finding the Fourth Proportional to 33,316.38, 45,977.58 and 18,209.70

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Solution

The fourth proportional to 33,316.38, 45,977.58 and 18,209.70 is: 25,129.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,316.38 : 45,977.58 = 18,209.70 : x
  2. Step 2: Convert to fraction form
    33,316.38/45,977.58 = 18,209.70/x
  3. Step 3: Cross multiply
    33,316.38x = 45,977.58 × 18,209.70
  4. Step 4: Simplify right side
    33,316.38x = 837,237,938.53
  5. Step 5: Solve for x
    x = 837,237,938.53/33,316.38
  6. Step 6: Final answer
    x = 25,129.92

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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.