Home / 38,240.71-52,772.43-21,244.75

Finding the Fourth Proportional to 38,240.71, 52,772.43 and 21,244.75

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Solution

The fourth proportional to 38,240.71, 52,772.43 and 21,244.75 is: 29,317.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,240.71 : 52,772.43 = 21,244.75 : x
  2. Step 2: Convert to fraction form
    38,240.71/52,772.43 = 21,244.75/x
  3. Step 3: Cross multiply
    38,240.71x = 52,772.43 × 21,244.75
  4. Step 4: Simplify right side
    38,240.71x = 1,121,137,082.24
  5. Step 5: Solve for x
    x = 1,121,137,082.24/38,240.71
  6. Step 6: Final answer
    x = 29,317.89

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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.