Home / 38,575.92-53,232.28-21,577.22

Finding the Fourth Proportional to 38,575.92, 53,232.28 and 21,577.22

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Solution

The fourth proportional to 38,575.92, 53,232.28 and 21,577.22 is: 29,775.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,575.92 : 53,232.28 = 21,577.22 : x
  2. Step 2: Convert to fraction form
    38,575.92/53,232.28 = 21,577.22/x
  3. Step 3: Cross multiply
    38,575.92x = 53,232.28 × 21,577.22
  4. Step 4: Simplify right side
    38,575.92x = 1,148,604,616.66
  5. Step 5: Solve for x
    x = 1,148,604,616.66/38,575.92
  6. Step 6: Final answer
    x = 29,775.17

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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.