Home / 38,165.85-52,672.07-21,175.56

Finding the Fourth Proportional to 38,165.85, 52,672.07 and 21,175.56

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Solution

The fourth proportional to 38,165.85, 52,672.07 and 21,175.56 is: 29,224.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,165.85 : 52,672.07 = 21,175.56 : x
  2. Step 2: Convert to fraction form
    38,165.85/52,672.07 = 21,175.56/x
  3. Step 3: Cross multiply
    38,165.85x = 52,672.07 × 21,175.56
  4. Step 4: Simplify right side
    38,165.85x = 1,115,360,631.55
  5. Step 5: Solve for x
    x = 1,115,360,631.55/38,165.85
  6. Step 6: Final answer
    x = 29,224.05

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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.