Home / 36,512.32-54,768.48-13,138.16

Finding the Fourth Proportional to 36,512.32, 54,768.48 and 13,138.16

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Solution

The fourth proportional to 36,512.32, 54,768.48 and 13,138.16 is: 19,707.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,512.32 : 54,768.48 = 13,138.16 : x
  2. Step 2: Convert to fraction form
    36,512.32/54,768.48 = 13,138.16/x
  3. Step 3: Cross multiply
    36,512.32x = 54,768.48 × 13,138.16
  4. Step 4: Simplify right side
    36,512.32x = 719,557,053.20
  5. Step 5: Solve for x
    x = 719,557,053.20/36,512.32
  6. Step 6: Final answer
    x = 19,707.24

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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.