Home / 66,233.24-91,369.72-39,356.72

Finding the Fourth Proportional to 66,233.24, 91,369.72 and 39,356.72

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Solution

The fourth proportional to 66,233.24, 91,369.72 and 39,356.72 is: 54,293.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,233.24 : 91,369.72 = 39,356.72 : x
  2. Step 2: Convert to fraction form
    66,233.24/91,369.72 = 39,356.72/x
  3. Step 3: Cross multiply
    66,233.24x = 91,369.72 × 39,356.72
  4. Step 4: Simplify right side
    66,233.24x = 3,596,012,029.67
  5. Step 5: Solve for x
    x = 3,596,012,029.67/66,233.24
  6. Step 6: Final answer
    x = 54,293.16

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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.