Home / 66,403.19-91,633.48-37,722.76

Finding the Fourth Proportional to 66,403.19, 91,633.48 and 37,722.76

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Solution

The fourth proportional to 66,403.19, 91,633.48 and 37,722.76 is: 52,055.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,403.19 : 91,633.48 = 37,722.76 : x
  2. Step 2: Convert to fraction form
    66,403.19/91,633.48 = 37,722.76/x
  3. Step 3: Cross multiply
    66,403.19x = 91,633.48 × 37,722.76
  4. Step 4: Simplify right side
    66,403.19x = 3,456,667,966.05
  5. Step 5: Solve for x
    x = 3,456,667,966.05/66,403.19
  6. Step 6: Final answer
    x = 52,055.75

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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.