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Finding the Fourth Proportional to 56,488.37, 84,629.27 and 26,447.49

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Solution

The fourth proportional to 56,488.37, 84,629.27 and 26,447.49 is: 39,622.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,488.37 : 84,629.27 = 26,447.49 : x
  2. Step 2: Convert to fraction form
    56,488.37/84,629.27 = 26,447.49/x
  3. Step 3: Cross multiply
    56,488.37x = 84,629.27 × 26,447.49
  4. Step 4: Simplify right side
    56,488.37x = 2,238,231,838.15
  5. Step 5: Solve for x
    x = 2,238,231,838.15/56,488.37
  6. Step 6: Final answer
    x = 39,622.88

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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.