Home / 29,158.90-43,739.74-9,439

Finding the Fourth Proportional to 29,158.90, 43,739.74 and 9,439

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Solution

The fourth proportional to 29,158.90, 43,739.74 and 9,439 is: 14,158.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,158.90 : 43,739.74 = 9,439 : x
  2. Step 2: Convert to fraction form
    29,158.90/43,739.74 = 9,439/x
  3. Step 3: Cross multiply
    29,158.90x = 43,739.74 × 9,439
  4. Step 4: Simplify right side
    29,158.90x = 412,859,405.86
  5. Step 5: Solve for x
    x = 412,859,405.86/29,158.90
  6. Step 6: Final answer
    x = 14,158.95

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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.