Home / 30,131.36-45,197.76-29,388.32

Finding the Fourth Proportional to 30,131.36, 45,197.76 and 29,388.32

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Solution

The fourth proportional to 30,131.36, 45,197.76 and 29,388.32 is: 44,083.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,131.36 : 45,197.76 = 29,388.32 : x
  2. Step 2: Convert to fraction form
    30,131.36/45,197.76 = 29,388.32/x
  3. Step 3: Cross multiply
    30,131.36x = 45,197.76 × 29,388.32
  4. Step 4: Simplify right side
    30,131.36x = 1,328,286,234.16
  5. Step 5: Solve for x
    x = 1,328,286,234.16/30,131.36
  6. Step 6: Final answer
    x = 44,083.18

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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.