Home / 45,716.48-68,557.00-15,725.02

Finding the Fourth Proportional to 45,716.48, 68,557.00 and 15,725.02

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Solution

The fourth proportional to 45,716.48, 68,557.00 and 15,725.02 is: 23,581.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,716.48 : 68,557.00 = 15,725.02 : x
  2. Step 2: Convert to fraction form
    45,716.48/68,557.00 = 15,725.02/x
  3. Step 3: Cross multiply
    45,716.48x = 68,557.00 × 15,725.02
  4. Step 4: Simplify right side
    45,716.48x = 1,078,059,774.73
  5. Step 5: Solve for x
    x = 1,078,059,774.73/45,716.48
  6. Step 6: Final answer
    x = 23,581.43

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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.