Home / 43,081.29-64,631.66-13,499.01

Finding the Fourth Proportional to 43,081.29, 64,631.66 and 13,499.01

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Solution

The fourth proportional to 43,081.29, 64,631.66 and 13,499.01 is: 20,251.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,081.29 : 64,631.66 = 13,499.01 : x
  2. Step 2: Convert to fraction form
    43,081.29/64,631.66 = 13,499.01/x
  3. Step 3: Cross multiply
    43,081.29x = 64,631.66 × 13,499.01
  4. Step 4: Simplify right side
    43,081.29x = 872,463,357.16
  5. Step 5: Solve for x
    x = 872,463,357.16/43,081.29
  6. Step 6: Final answer
    x = 20,251.56

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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.