Home / 66,346.56-91,558.80-36,131.99

Finding the Fourth Proportional to 66,346.56, 91,558.80 and 36,131.99

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Solution

The fourth proportional to 66,346.56, 91,558.80 and 36,131.99 is: 49,862.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,346.56 : 91,558.80 = 36,131.99 : x
  2. Step 2: Convert to fraction form
    66,346.56/91,558.80 = 36,131.99/x
  3. Step 3: Cross multiply
    66,346.56x = 91,558.80 × 36,131.99
  4. Step 4: Simplify right side
    66,346.56x = 3,308,201,188.22
  5. Step 5: Solve for x
    x = 3,308,201,188.22/66,346.56
  6. Step 6: Final answer
    x = 49,862.44

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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.