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Finding the Fourth Proportional to 45,801, 68,709.21 and 15,807.06

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Solution

The fourth proportional to 45,801, 68,709.21 and 15,807.06 is: 23,713.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,801 : 68,709.21 = 15,807.06 : x
  2. Step 2: Convert to fraction form
    45,801/68,709.21 = 15,807.06/x
  3. Step 3: Cross multiply
    45,801x = 68,709.21 × 15,807.06
  4. Step 4: Simplify right side
    45,801x = 1,086,090,605.02
  5. Step 5: Solve for x
    x = 1,086,090,605.02/45,801
  6. Step 6: Final answer
    x = 23,713.25

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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.