Home / 38,028.41-52,479.32-21,261.41

Finding the Fourth Proportional to 38,028.41, 52,479.32 and 21,261.41

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Solution

The fourth proportional to 38,028.41, 52,479.32 and 21,261.41 is: 29,340.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,028.41 : 52,479.32 = 21,261.41 : x
  2. Step 2: Convert to fraction form
    38,028.41/52,479.32 = 21,261.41/x
  3. Step 3: Cross multiply
    38,028.41x = 52,479.32 × 21,261.41
  4. Step 4: Simplify right side
    38,028.41x = 1,115,783,970.34
  5. Step 5: Solve for x
    x = 1,115,783,970.34/38,028.41
  6. Step 6: Final answer
    x = 29,340.80

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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.