Home / 29,043.10-43,580.85-12,400.30

Finding the Fourth Proportional to 29,043.10, 43,580.85 and 12,400.30

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Solution

The fourth proportional to 29,043.10, 43,580.85 and 12,400.30 is: 18,607.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,043.10 : 43,580.85 = 12,400.30 : x
  2. Step 2: Convert to fraction form
    29,043.10/43,580.85 = 12,400.30/x
  3. Step 3: Cross multiply
    29,043.10x = 43,580.85 × 12,400.30
  4. Step 4: Simplify right side
    29,043.10x = 540,415,614.26
  5. Step 5: Solve for x
    x = 540,415,614.26/29,043.10
  6. Step 6: Final answer
    x = 18,607.37

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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.