Home / 36,544.40-54,783-13,165.12

Finding the Fourth Proportional to 36,544.40, 54,783 and 13,165.12

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Solution

The fourth proportional to 36,544.40, 54,783 and 13,165.12 is: 19,735.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,544.40 : 54,783 = 13,165.12 : x
  2. Step 2: Convert to fraction form
    36,544.40/54,783 = 13,165.12/x
  3. Step 3: Cross multiply
    36,544.40x = 54,783 × 13,165.12
  4. Step 4: Simplify right side
    36,544.40x = 721,224,768.96
  5. Step 5: Solve for x
    x = 721,224,768.96/36,544.40
  6. Step 6: Final answer
    x = 19,735.58

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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.