Home / 29,113.18-43,633.23-12,453.63

Finding the Fourth Proportional to 29,113.18, 43,633.23 and 12,453.63

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Solution

The fourth proportional to 29,113.18, 43,633.23 and 12,453.63 is: 18,664.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,113.18 : 43,633.23 = 12,453.63 : x
  2. Step 2: Convert to fraction form
    29,113.18/43,633.23 = 12,453.63/x
  3. Step 3: Cross multiply
    29,113.18x = 43,633.23 × 12,453.63
  4. Step 4: Simplify right side
    29,113.18x = 543,392,102.12
  5. Step 5: Solve for x
    x = 543,392,102.12/29,113.18
  6. Step 6: Final answer
    x = 18,664.81

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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.