Home / 45,642.18-68,433.96-19,006.65

Finding the Fourth Proportional to 45,642.18, 68,433.96 and 19,006.65

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Solution

The fourth proportional to 45,642.18, 68,433.96 and 19,006.65 is: 28,497.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,642.18 : 68,433.96 = 19,006.65 : x
  2. Step 2: Convert to fraction form
    45,642.18/68,433.96 = 19,006.65/x
  3. Step 3: Cross multiply
    45,642.18x = 68,433.96 × 19,006.65
  4. Step 4: Simplify right side
    45,642.18x = 1,300,700,325.83
  5. Step 5: Solve for x
    x = 1,300,700,325.83/45,642.18
  6. Step 6: Final answer
    x = 28,497.77

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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.