Home / 66,155.24-91,294.35-35,940.31

Finding the Fourth Proportional to 66,155.24, 91,294.35 and 35,940.31

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Solution

The fourth proportional to 66,155.24, 91,294.35 and 35,940.31 is: 49,597.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,155.24 : 91,294.35 = 35,940.31 : x
  2. Step 2: Convert to fraction form
    66,155.24/91,294.35 = 35,940.31/x
  3. Step 3: Cross multiply
    66,155.24x = 91,294.35 × 35,940.31
  4. Step 4: Simplify right side
    66,155.24x = 3,281,147,240.25
  5. Step 5: Solve for x
    x = 3,281,147,240.25/66,155.24
  6. Step 6: Final answer
    x = 49,597.69

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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.