Home / 45,389.10-68,067.45-15,807.90

Finding the Fourth Proportional to 45,389.10, 68,067.45 and 15,807.90

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Solution

The fourth proportional to 45,389.10, 68,067.45 and 15,807.90 is: 23,706.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,389.10 : 68,067.45 = 15,807.90 : x
  2. Step 2: Convert to fraction form
    45,389.10/68,067.45 = 15,807.90/x
  3. Step 3: Cross multiply
    45,389.10x = 68,067.45 × 15,807.90
  4. Step 4: Simplify right side
    45,389.10x = 1,076,003,442.86
  5. Step 5: Solve for x
    x = 1,076,003,442.86/45,389.10
  6. Step 6: Final answer
    x = 23,706.21

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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.