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Finding the Fourth Proportional to 43,260, 59,644.71 and 36,100.23

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Solution

The fourth proportional to 43,260, 59,644.71 and 36,100.23 is: 49,773.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,260 : 59,644.71 = 36,100.23 : x
  2. Step 2: Convert to fraction form
    43,260/59,644.71 = 36,100.23/x
  3. Step 3: Cross multiply
    43,260x = 59,644.71 × 36,100.23
  4. Step 4: Simplify right side
    43,260x = 2,153,187,749.28
  5. Step 5: Solve for x
    x = 2,153,187,749.28/43,260
  6. Step 6: Final answer
    x = 49,773.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.