Home / 66,424.32-91,658.12-39,563.04

Finding the Fourth Proportional to 66,424.32, 91,658.12 and 39,563.04

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Solution

The fourth proportional to 66,424.32, 91,658.12 and 39,563.04 is: 54,592.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,424.32 : 91,658.12 = 39,563.04 : x
  2. Step 2: Convert to fraction form
    66,424.32/91,658.12 = 39,563.04/x
  3. Step 3: Cross multiply
    66,424.32x = 91,658.12 × 39,563.04
  4. Step 4: Simplify right side
    66,424.32x = 3,626,273,867.88
  5. Step 5: Solve for x
    x = 3,626,273,867.88/66,424.32
  6. Step 6: Final answer
    x = 54,592.56

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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.