Home / 43,289.46-64,943.91-13,705.02

Finding the Fourth Proportional to 43,289.46, 64,943.91 and 13,705.02

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Solution

The fourth proportional to 43,289.46, 64,943.91 and 13,705.02 is: 20,560.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,289.46 : 64,943.91 = 13,705.02 : x
  2. Step 2: Convert to fraction form
    43,289.46/64,943.91 = 13,705.02/x
  3. Step 3: Cross multiply
    43,289.46x = 64,943.91 × 13,705.02
  4. Step 4: Simplify right side
    43,289.46x = 890,057,585.43
  5. Step 5: Solve for x
    x = 890,057,585.43/43,289.46
  6. Step 6: Final answer
    x = 20,560.61

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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.