Home / 45,775.18-68,607.32-19,424.57

Finding the Fourth Proportional to 45,775.18, 68,607.32 and 19,424.57

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Solution

The fourth proportional to 45,775.18, 68,607.32 and 19,424.57 is: 29,113.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,775.18 : 68,607.32 = 19,424.57 : x
  2. Step 2: Convert to fraction form
    45,775.18/68,607.32 = 19,424.57/x
  3. Step 3: Cross multiply
    45,775.18x = 68,607.32 × 19,424.57
  4. Step 4: Simplify right side
    45,775.18x = 1,332,667,689.85
  5. Step 5: Solve for x
    x = 1,332,667,689.85/45,775.18
  6. Step 6: Final answer
    x = 29,113.32

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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.