Home / 66,988.22-92,437.91-36,773.49

Finding the Fourth Proportional to 66,988.22, 92,437.91 and 36,773.49

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Solution

The fourth proportional to 66,988.22, 92,437.91 and 36,773.49 is: 50,744.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,988.22 : 92,437.91 = 36,773.49 : x
  2. Step 2: Convert to fraction form
    66,988.22/92,437.91 = 36,773.49/x
  3. Step 3: Cross multiply
    66,988.22x = 92,437.91 × 36,773.49
  4. Step 4: Simplify right side
    66,988.22x = 3,399,264,859.68
  5. Step 5: Solve for x
    x = 3,399,264,859.68/66,988.22
  6. Step 6: Final answer
    x = 50,744.22

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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.