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Finding the Fourth Proportional to 65,954.25, 91,033.47 and 37,676.34

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Solution

The fourth proportional to 65,954.25, 91,033.47 and 37,676.34 is: 52,002.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,954.25 : 91,033.47 = 37,676.34 : x
  2. Step 2: Convert to fraction form
    65,954.25/91,033.47 = 37,676.34/x
  3. Step 3: Cross multiply
    65,954.25x = 91,033.47 × 37,676.34
  4. Step 4: Simplify right side
    65,954.25x = 3,429,807,967.10
  5. Step 5: Solve for x
    x = 3,429,807,967.10/65,954.25
  6. Step 6: Final answer
    x = 52,002.83

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1.5x scale

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.