Home / 66,577.21-91,864.37-37,895.18

Finding the Fourth Proportional to 66,577.21, 91,864.37 and 37,895.18

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Solution

The fourth proportional to 66,577.21, 91,864.37 and 37,895.18 is: 52,288.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,577.21 : 91,864.37 = 37,895.18 : x
  2. Step 2: Convert to fraction form
    66,577.21/91,864.37 = 37,895.18/x
  3. Step 3: Cross multiply
    66,577.21x = 91,864.37 × 37,895.18
  4. Step 4: Simplify right side
    66,577.21x = 3,481,217,161.14
  5. Step 5: Solve for x
    x = 3,481,217,161.14/66,577.21
  6. Step 6: Final answer
    x = 52,288.42

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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.