Home / 66,238.64-91,408.43-36,023.31

Finding the Fourth Proportional to 66,238.64, 91,408.43 and 36,023.31

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Solution

The fourth proportional to 66,238.64, 91,408.43 and 36,023.31 is: 49,711.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,238.64 : 91,408.43 = 36,023.31 : x
  2. Step 2: Convert to fraction form
    66,238.64/91,408.43 = 36,023.31/x
  3. Step 3: Cross multiply
    66,238.64x = 91,408.43 × 36,023.31
  4. Step 4: Simplify right side
    66,238.64x = 3,292,834,300.56
  5. Step 5: Solve for x
    x = 3,292,834,300.56/66,238.64
  6. Step 6: Final answer
    x = 49,711.68

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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.