Home / 29,983.52-41,389.58-20,454.86

Finding the Fourth Proportional to 29,983.52, 41,389.58 and 20,454.86

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Solution

The fourth proportional to 29,983.52, 41,389.58 and 20,454.86 is: 28,236.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,983.52 : 41,389.58 = 20,454.86 : x
  2. Step 2: Convert to fraction form
    29,983.52/41,389.58 = 20,454.86/x
  3. Step 3: Cross multiply
    29,983.52x = 41,389.58 × 20,454.86
  4. Step 4: Simplify right side
    29,983.52x = 846,618,064.36
  5. Step 5: Solve for x
    x = 846,618,064.36/29,983.52
  6. Step 6: Final answer
    x = 28,236.11

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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.