Home / 43,159.69-64,738.05-13,576.87

Finding the Fourth Proportional to 43,159.69, 64,738.05 and 13,576.87

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Solution

The fourth proportional to 43,159.69, 64,738.05 and 13,576.87 is: 20,364.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,159.69 : 64,738.05 = 13,576.87 : x
  2. Step 2: Convert to fraction form
    43,159.69/64,738.05 = 13,576.87/x
  3. Step 3: Cross multiply
    43,159.69x = 64,738.05 × 13,576.87
  4. Step 4: Simplify right side
    43,159.69x = 878,940,088.90
  5. Step 5: Solve for x
    x = 878,940,088.90/43,159.69
  6. Step 6: Final answer
    x = 20,364.84

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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.