Home / 36,270.90-54,399.96-9,969.30

Finding the Fourth Proportional to 36,270.90, 54,399.96 and 9,969.30

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Solution

The fourth proportional to 36,270.90, 54,399.96 and 9,969.30 is: 14,952.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,270.90 : 54,399.96 = 9,969.30 : x
  2. Step 2: Convert to fraction form
    36,270.90/54,399.96 = 9,969.30/x
  3. Step 3: Cross multiply
    36,270.90x = 54,399.96 × 9,969.30
  4. Step 4: Simplify right side
    36,270.90x = 542,329,521.23
  5. Step 5: Solve for x
    x = 542,329,521.23/36,270.90
  6. Step 6: Final answer
    x = 14,952.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.