Home / 66,503.26-91,776.71-36,290.24

Finding the Fourth Proportional to 66,503.26, 91,776.71 and 36,290.24

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Solution

The fourth proportional to 66,503.26, 91,776.71 and 36,290.24 is: 50,081.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,503.26 : 91,776.71 = 36,290.24 : x
  2. Step 2: Convert to fraction form
    66,503.26/91,776.71 = 36,290.24/x
  3. Step 3: Cross multiply
    66,503.26x = 91,776.71 × 36,290.24
  4. Step 4: Simplify right side
    66,503.26x = 3,330,598,832.31
  5. Step 5: Solve for x
    x = 3,330,598,832.31/66,503.26
  6. Step 6: Final answer
    x = 50,081.74

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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.