Home / 38,844.63-58,252.53-13,878

Finding the Fourth Proportional to 38,844.63, 58,252.53 and 13,878

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Solution

The fourth proportional to 38,844.63, 58,252.53 and 13,878 is: 20,811.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,844.63 : 58,252.53 = 13,878 : x
  2. Step 2: Convert to fraction form
    38,844.63/58,252.53 = 13,878/x
  3. Step 3: Cross multiply
    38,844.63x = 58,252.53 × 13,878
  4. Step 4: Simplify right side
    38,844.63x = 808,428,611.34
  5. Step 5: Solve for x
    x = 808,428,611.34/38,844.63
  6. Step 6: Final answer
    x = 20,811.85

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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.