Home / 66,341.70-91,549.37-36,126.79

Finding the Fourth Proportional to 66,341.70, 91,549.37 and 36,126.79

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Solution

The fourth proportional to 66,341.70, 91,549.37 and 36,126.79 is: 49,853.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,341.70 : 91,549.37 = 36,126.79 : x
  2. Step 2: Convert to fraction form
    66,341.70/91,549.37 = 36,126.79/x
  3. Step 3: Cross multiply
    66,341.70x = 91,549.37 × 36,126.79
  4. Step 4: Simplify right side
    66,341.70x = 3,307,384,726.07
  5. Step 5: Solve for x
    x = 3,307,384,726.07/66,341.70
  6. Step 6: Final answer
    x = 49,853.78

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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.