Home / 36,430.56-54,640.40-10,132.56

Finding the Fourth Proportional to 36,430.56, 54,640.40 and 10,132.56

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Solution

The fourth proportional to 36,430.56, 54,640.40 and 10,132.56 is: 15,197.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,430.56 : 54,640.40 = 10,132.56 : x
  2. Step 2: Convert to fraction form
    36,430.56/54,640.40 = 10,132.56/x
  3. Step 3: Cross multiply
    36,430.56x = 54,640.40 × 10,132.56
  4. Step 4: Simplify right side
    36,430.56x = 553,647,131.42
  5. Step 5: Solve for x
    x = 553,647,131.42/36,430.56
  6. Step 6: Final answer
    x = 15,197.33

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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.