Home / 29,310.13-43,977.50-12,661.59

Finding the Fourth Proportional to 29,310.13, 43,977.50 and 12,661.59

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Solution

The fourth proportional to 29,310.13, 43,977.50 and 12,661.59 is: 18,997.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,310.13 : 43,977.50 = 12,661.59 : x
  2. Step 2: Convert to fraction form
    29,310.13/43,977.50 = 12,661.59/x
  3. Step 3: Cross multiply
    29,310.13x = 43,977.50 × 12,661.59
  4. Step 4: Simplify right side
    29,310.13x = 556,825,074.23
  5. Step 5: Solve for x
    x = 556,825,074.23/29,310.13
  6. Step 6: Final answer
    x = 18,997.70

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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.