Home / 66,636.35-91,955.66-36,421.43

Finding the Fourth Proportional to 66,636.35, 91,955.66 and 36,421.43

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Solution

The fourth proportional to 66,636.35, 91,955.66 and 36,421.43 is: 50,260.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,636.35 : 91,955.66 = 36,421.43 : x
  2. Step 2: Convert to fraction form
    66,636.35/91,955.66 = 36,421.43/x
  3. Step 3: Cross multiply
    66,636.35x = 91,955.66 × 36,421.43
  4. Step 4: Simplify right side
    66,636.35x = 3,349,156,633.79
  5. Step 5: Solve for x
    x = 3,349,156,633.79/66,636.35
  6. Step 6: Final answer
    x = 50,260.21

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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.