Home / 45,982.08-68,977.98-19,679.76

Finding the Fourth Proportional to 45,982.08, 68,977.98 and 19,679.76

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Solution

The fourth proportional to 45,982.08, 68,977.98 and 19,679.76 is: 29,521.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,982.08 : 68,977.98 = 19,679.76 : x
  2. Step 2: Convert to fraction form
    45,982.08/68,977.98 = 19,679.76/x
  3. Step 3: Cross multiply
    45,982.08x = 68,977.98 × 19,679.76
  4. Step 4: Simplify right side
    45,982.08x = 1,357,470,091.68
  5. Step 5: Solve for x
    x = 1,357,470,091.68/45,982.08
  6. Step 6: Final answer
    x = 29,521.72

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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.