Home / 66,487.24-91,752.42-37,805.32

Finding the Fourth Proportional to 66,487.24, 91,752.42 and 37,805.32

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Solution

The fourth proportional to 66,487.24, 91,752.42 and 37,805.32 is: 52,171.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,487.24 : 91,752.42 = 37,805.32 : x
  2. Step 2: Convert to fraction form
    66,487.24/91,752.42 = 37,805.32/x
  3. Step 3: Cross multiply
    66,487.24x = 91,752.42 × 37,805.32
  4. Step 4: Simplify right side
    66,487.24x = 3,468,729,598.87
  5. Step 5: Solve for x
    x = 3,468,729,598.87/66,487.24
  6. Step 6: Final answer
    x = 52,171.36

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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.