Home / 30,186.08-45,022.90-29,661.20

Finding the Fourth Proportional to 30,186.08, 45,022.90 and 29,661.20

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Solution

The fourth proportional to 30,186.08, 45,022.90 and 29,661.20 is: 44,240.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,186.08 : 45,022.90 = 29,661.20 : x
  2. Step 2: Convert to fraction form
    30,186.08/45,022.90 = 29,661.20/x
  3. Step 3: Cross multiply
    30,186.08x = 45,022.90 × 29,661.20
  4. Step 4: Simplify right side
    30,186.08x = 1,335,433,241.48
  5. Step 5: Solve for x
    x = 1,335,433,241.48/30,186.08
  6. Step 6: Final answer
    x = 44,240.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.