Home / 44,135.10-66,165.34-19,156.38

Finding the Fourth Proportional to 44,135.10, 66,165.34 and 19,156.38

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Solution

The fourth proportional to 44,135.10, 66,165.34 and 19,156.38 is: 28,718.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,135.10 : 66,165.34 = 19,156.38 : x
  2. Step 2: Convert to fraction form
    44,135.10/66,165.34 = 19,156.38/x
  3. Step 3: Cross multiply
    44,135.10x = 66,165.34 × 19,156.38
  4. Step 4: Simplify right side
    44,135.10x = 1,267,488,395.87
  5. Step 5: Solve for x
    x = 1,267,488,395.87/44,135.10
  6. Step 6: Final answer
    x = 28,718.38

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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.