Home / 66,240.96-91,425.66-37,561.19

Finding the Fourth Proportional to 66,240.96, 91,425.66 and 37,561.19

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Solution

The fourth proportional to 66,240.96, 91,425.66 and 37,561.19 is: 51,841.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,240.96 : 91,425.66 = 37,561.19 : x
  2. Step 2: Convert to fraction form
    66,240.96/91,425.66 = 37,561.19/x
  3. Step 3: Cross multiply
    66,240.96x = 91,425.66 × 37,561.19
  4. Step 4: Simplify right side
    66,240.96x = 3,434,056,720.80
  5. Step 5: Solve for x
    x = 3,434,056,720.80/66,240.96
  6. Step 6: Final answer
    x = 51,841.89

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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.