Home / 66,022.52-91,004.97-51,657.57

Finding the Fourth Proportional to 66,022.52, 91,004.97 and 51,657.57

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Solution

The fourth proportional to 66,022.52, 91,004.97 and 51,657.57 is: 71,204.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,022.52 : 91,004.97 = 51,657.57 : x
  2. Step 2: Convert to fraction form
    66,022.52/91,004.97 = 51,657.57/x
  3. Step 3: Cross multiply
    66,022.52x = 91,004.97 × 51,657.57
  4. Step 4: Simplify right side
    66,022.52x = 4,701,095,608.12
  5. Step 5: Solve for x
    x = 4,701,095,608.12/66,022.52
  6. Step 6: Final answer
    x = 71,204.43

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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.