Home / 45,771.30-68,686.11-19,476

Finding the Fourth Proportional to 45,771.30, 68,686.11 and 19,476

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Solution

The fourth proportional to 45,771.30, 68,686.11 and 19,476 is: 29,226.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,771.30 : 68,686.11 = 19,476 : x
  2. Step 2: Convert to fraction form
    45,771.30/68,686.11 = 19,476/x
  3. Step 3: Cross multiply
    45,771.30x = 68,686.11 × 19,476
  4. Step 4: Simplify right side
    45,771.30x = 1,337,730,678.36
  5. Step 5: Solve for x
    x = 1,337,730,678.36/45,771.30
  6. Step 6: Final answer
    x = 29,226.41

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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.