Home / 43,269.23-64,907.49-13,686.41

Finding the Fourth Proportional to 43,269.23, 64,907.49 and 13,686.41

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Solution

The fourth proportional to 43,269.23, 64,907.49 and 13,686.41 is: 20,530.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,269.23 : 64,907.49 = 13,686.41 : x
  2. Step 2: Convert to fraction form
    43,269.23/64,907.49 = 13,686.41/x
  3. Step 3: Cross multiply
    43,269.23x = 64,907.49 × 13,686.41
  4. Step 4: Simplify right side
    43,269.23x = 888,350,520.21
  5. Step 5: Solve for x
    x = 888,350,520.21/43,269.23
  6. Step 6: Final answer
    x = 20,530.77

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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.