Home / 38,331.84-52,896.60-21,335.52

Finding the Fourth Proportional to 38,331.84, 52,896.60 and 21,335.52

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Solution

The fourth proportional to 38,331.84, 52,896.60 and 21,335.52 is: 29,442.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,331.84 : 52,896.60 = 21,335.52 : x
  2. Step 2: Convert to fraction form
    38,331.84/52,896.60 = 21,335.52/x
  3. Step 3: Cross multiply
    38,331.84x = 52,896.60 × 21,335.52
  4. Step 4: Simplify right side
    38,331.84x = 1,128,576,467.23
  5. Step 5: Solve for x
    x = 1,128,576,467.23/38,331.84
  6. Step 6: Final answer
    x = 29,442.27

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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.