Home / 43,269.54-64,907.96-13,686.72

Finding the Fourth Proportional to 43,269.54, 64,907.96 and 13,686.72

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Solution

The fourth proportional to 43,269.54, 64,907.96 and 13,686.72 is: 20,531.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,269.54 : 64,907.96 = 13,686.72 : x
  2. Step 2: Convert to fraction form
    43,269.54/64,907.96 = 13,686.72/x
  3. Step 3: Cross multiply
    43,269.54x = 64,907.96 × 13,686.72
  4. Step 4: Simplify right side
    43,269.54x = 888,377,074.29
  5. Step 5: Solve for x
    x = 888,377,074.29/43,269.54
  6. Step 6: Final answer
    x = 20,531.23

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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.