Home / 43,131.87-64,697.16-13,551.48

Finding the Fourth Proportional to 43,131.87, 64,697.16 and 13,551.48

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Solution

The fourth proportional to 43,131.87, 64,697.16 and 13,551.48 is: 20,327.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,131.87 : 64,697.16 = 13,551.48 : x
  2. Step 2: Convert to fraction form
    43,131.87/64,697.16 = 13,551.48/x
  3. Step 3: Cross multiply
    43,131.87x = 64,697.16 × 13,551.48
  4. Step 4: Simplify right side
    43,131.87x = 876,742,269.80
  5. Step 5: Solve for x
    x = 876,742,269.80/43,131.87
  6. Step 6: Final answer
    x = 20,327.02

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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.