Home / 38,388.96-57,460.32-20,575.17

Finding the Fourth Proportional to 38,388.96, 57,460.32 and 20,575.17

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Solution

The fourth proportional to 38,388.96, 57,460.32 and 20,575.17 is: 30,796.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,388.96 : 57,460.32 = 20,575.17 : x
  2. Step 2: Convert to fraction form
    38,388.96/57,460.32 = 20,575.17/x
  3. Step 3: Cross multiply
    38,388.96x = 57,460.32 × 20,575.17
  4. Step 4: Simplify right side
    38,388.96x = 1,182,255,852.25
  5. Step 5: Solve for x
    x = 1,182,255,852.25/38,388.96
  6. Step 6: Final answer
    x = 30,796.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.