Home / 66,347.10-91,552.97-39,485.27

Finding the Fourth Proportional to 66,347.10, 91,552.97 and 39,485.27

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Solution

The fourth proportional to 66,347.10, 91,552.97 and 39,485.27 is: 54,486.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,347.10 : 91,552.97 = 39,485.27 : x
  2. Step 2: Convert to fraction form
    66,347.10/91,552.97 = 39,485.27/x
  3. Step 3: Cross multiply
    66,347.10x = 91,552.97 × 39,485.27
  4. Step 4: Simplify right side
    66,347.10x = 3,614,994,067.35
  5. Step 5: Solve for x
    x = 3,614,994,067.35/66,347.10
  6. Step 6: Final answer
    x = 54,486.09

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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.