Home / 66,577.22-91,864.38-37,895.18

Finding the Fourth Proportional to 66,577.22, 91,864.38 and 37,895.18

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Solution

The fourth proportional to 66,577.22, 91,864.38 and 37,895.18 is: 52,288.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,577.22 : 91,864.38 = 37,895.18 : x
  2. Step 2: Convert to fraction form
    66,577.22/91,864.38 = 37,895.18/x
  3. Step 3: Cross multiply
    66,577.22x = 91,864.38 × 37,895.18
  4. Step 4: Simplify right side
    66,577.22x = 3,481,217,215.69
  5. Step 5: Solve for x
    x = 3,481,217,215.69/66,577.22
  6. Step 6: Final answer
    x = 52,288.41

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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.