Home / 38,350.19-52,922.75-21,122.22

Finding the Fourth Proportional to 38,350.19, 52,922.75 and 21,122.22

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Solution

The fourth proportional to 38,350.19, 52,922.75 and 21,122.22 is: 29,148.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,350.19 : 52,922.75 = 21,122.22 : x
  2. Step 2: Convert to fraction form
    38,350.19/52,922.75 = 21,122.22/x
  3. Step 3: Cross multiply
    38,350.19x = 52,922.75 × 21,122.22
  4. Step 4: Simplify right side
    38,350.19x = 1,117,846,153.62
  5. Step 5: Solve for x
    x = 1,117,846,153.62/38,350.19
  6. Step 6: Final answer
    x = 29,148.39

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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.