Home / 66,653.28-91,989.27-37,983.33

Finding the Fourth Proportional to 66,653.28, 91,989.27 and 37,983.33

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Solution

The fourth proportional to 66,653.28, 91,989.27 and 37,983.33 is: 52,421.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,653.28 : 91,989.27 = 37,983.33 : x
  2. Step 2: Convert to fraction form
    66,653.28/91,989.27 = 37,983.33/x
  3. Step 3: Cross multiply
    66,653.28x = 91,989.27 × 37,983.33
  4. Step 4: Simplify right side
    66,653.28x = 3,494,058,798.87
  5. Step 5: Solve for x
    x = 3,494,058,798.87/66,653.28
  6. Step 6: Final answer
    x = 52,421.41

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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.