Home / 38,607.84-57,829.75-21,959.30

Finding the Fourth Proportional to 38,607.84, 57,829.75 and 21,959.30

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Solution

The fourth proportional to 38,607.84, 57,829.75 and 21,959.30 is: 32,892.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,607.84 : 57,829.75 = 21,959.30 : x
  2. Step 2: Convert to fraction form
    38,607.84/57,829.75 = 21,959.30/x
  3. Step 3: Cross multiply
    38,607.84x = 57,829.75 × 21,959.30
  4. Step 4: Simplify right side
    38,607.84x = 1,269,900,918.85
  5. Step 5: Solve for x
    x = 1,269,900,918.85/38,607.84
  6. Step 6: Final answer
    x = 32,892.31

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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.