Home / 29,130.98-40,184.52-20,183.72

Finding the Fourth Proportional to 29,130.98, 40,184.52 and 20,183.72

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Solution

The fourth proportional to 29,130.98, 40,184.52 and 20,183.72 is: 27,842.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,130.98 : 40,184.52 = 20,183.72 : x
  2. Step 2: Convert to fraction form
    29,130.98/40,184.52 = 20,183.72/x
  3. Step 3: Cross multiply
    29,130.98x = 40,184.52 × 20,183.72
  4. Step 4: Simplify right side
    29,130.98x = 811,073,100.01
  5. Step 5: Solve for x
    x = 811,073,100.01/29,130.98
  6. Step 6: Final answer
    x = 27,842.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.