Home / 38,839.64-53,598.06-21,611.36

Finding the Fourth Proportional to 38,839.64, 53,598.06 and 21,611.36

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Solution

The fourth proportional to 38,839.64, 53,598.06 and 21,611.36 is: 29,823.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,839.64 : 53,598.06 = 21,611.36 : x
  2. Step 2: Convert to fraction form
    38,839.64/53,598.06 = 21,611.36/x
  3. Step 3: Cross multiply
    38,839.64x = 53,598.06 × 21,611.36
  4. Step 4: Simplify right side
    38,839.64x = 1,158,326,969.96
  5. Step 5: Solve for x
    x = 1,158,326,969.96/38,839.64
  6. Step 6: Final answer
    x = 29,823.32

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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.