Home / 45,588.68-68,374.32-19,311.89

Finding the Fourth Proportional to 45,588.68, 68,374.32 and 19,311.89

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Solution

The fourth proportional to 45,588.68, 68,374.32 and 19,311.89 is: 28,964.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,588.68 : 68,374.32 = 19,311.89 : x
  2. Step 2: Convert to fraction form
    45,588.68/68,374.32 = 19,311.89/x
  3. Step 3: Cross multiply
    45,588.68x = 68,374.32 × 19,311.89
  4. Step 4: Simplify right side
    45,588.68x = 1,320,437,346.66
  5. Step 5: Solve for x
    x = 1,320,437,346.66/45,588.68
  6. Step 6: Final answer
    x = 28,964.15

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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.