Home / 54,819.02-75,653.29-38,691.50

Finding the Fourth Proportional to 54,819.02, 75,653.29 and 38,691.50

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Solution

The fourth proportional to 54,819.02, 75,653.29 and 38,691.50 is: 53,396.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,819.02 : 75,653.29 = 38,691.50 : x
  2. Step 2: Convert to fraction form
    54,819.02/75,653.29 = 38,691.50/x
  3. Step 3: Cross multiply
    54,819.02x = 75,653.29 × 38,691.50
  4. Step 4: Simplify right side
    54,819.02x = 2,927,139,270.04
  5. Step 5: Solve for x
    x = 2,927,139,270.04/54,819.02
  6. Step 6: Final answer
    x = 53,396.42

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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.