Home / 43,323.10-64,990.84-13,339.87

Finding the Fourth Proportional to 43,323.10, 64,990.84 and 13,339.87

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Solution

The fourth proportional to 43,323.10, 64,990.84 and 13,339.87 is: 20,011.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,323.10 : 64,990.84 = 13,339.87 : x
  2. Step 2: Convert to fraction form
    43,323.10/64,990.84 = 13,339.87/x
  3. Step 3: Cross multiply
    43,323.10x = 64,990.84 × 13,339.87
  4. Step 4: Simplify right side
    43,323.10x = 866,969,160.96
  5. Step 5: Solve for x
    x = 866,969,160.96/43,323.10
  6. Step 6: Final answer
    x = 20,011.71

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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.