Home / 66,408.27-91,645.70-37,729.13

Finding the Fourth Proportional to 66,408.27, 91,645.70 and 37,729.13

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Solution

The fourth proportional to 66,408.27, 91,645.70 and 37,729.13 is: 52,067.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,408.27 : 91,645.70 = 37,729.13 : x
  2. Step 2: Convert to fraction form
    66,408.27/91,645.70 = 37,729.13/x
  3. Step 3: Cross multiply
    66,408.27x = 91,645.70 × 37,729.13
  4. Step 4: Simplify right side
    66,408.27x = 3,457,712,587.34
  5. Step 5: Solve for x
    x = 3,457,712,587.34/66,408.27
  6. Step 6: Final answer
    x = 52,067.50

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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.