Home / 66,353.44-91,549.20-38,048.80

Finding the Fourth Proportional to 66,353.44, 91,549.20 and 38,048.80

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Solution

The fourth proportional to 66,353.44, 91,549.20 and 38,048.80 is: 52,496.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,353.44 : 91,549.20 = 38,048.80 : x
  2. Step 2: Convert to fraction form
    66,353.44/91,549.20 = 38,048.80/x
  3. Step 3: Cross multiply
    66,353.44x = 91,549.20 × 38,048.80
  4. Step 4: Simplify right side
    66,353.44x = 3,483,337,200.96
  5. Step 5: Solve for x
    x = 3,483,337,200.96/66,353.44
  6. Step 6: Final answer
    x = 52,496.71

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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.