Home / 38,212.59-57,317.09-18,207.53

Finding the Fourth Proportional to 38,212.59, 57,317.09 and 18,207.53

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Solution

The fourth proportional to 38,212.59, 57,317.09 and 18,207.53 is: 27,310.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,212.59 : 57,317.09 = 18,207.53 : x
  2. Step 2: Convert to fraction form
    38,212.59/57,317.09 = 18,207.53/x
  3. Step 3: Cross multiply
    38,212.59x = 57,317.09 × 18,207.53
  4. Step 4: Simplify right side
    38,212.59x = 1,043,602,949.04
  5. Step 5: Solve for x
    x = 1,043,602,949.04/38,212.59
  6. Step 6: Final answer
    x = 27,310.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.