Home / 43,006.28-64,516.72-13,423.46

Finding the Fourth Proportional to 43,006.28, 64,516.72 and 13,423.46

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Solution

The fourth proportional to 43,006.28, 64,516.72 and 13,423.46 is: 20,137.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,006.28 : 64,516.72 = 13,423.46 : x
  2. Step 2: Convert to fraction form
    43,006.28/64,516.72 = 13,423.46/x
  3. Step 3: Cross multiply
    43,006.28x = 64,516.72 × 13,423.46
  4. Step 4: Simplify right side
    43,006.28x = 866,037,610.25
  5. Step 5: Solve for x
    x = 866,037,610.25/43,006.28
  6. Step 6: Final answer
    x = 20,137.47

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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.