Home / 55,626.62-83,439.16-13,507.02

Finding the Fourth Proportional to 55,626.62, 83,439.16 and 13,507.02

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Solution

The fourth proportional to 55,626.62, 83,439.16 and 13,507.02 is: 20,260.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,626.62 : 83,439.16 = 13,507.02 : x
  2. Step 2: Convert to fraction form
    55,626.62/83,439.16 = 13,507.02/x
  3. Step 3: Cross multiply
    55,626.62x = 83,439.16 × 13,507.02
  4. Step 4: Simplify right side
    55,626.62x = 1,127,014,369.14
  5. Step 5: Solve for x
    x = 1,127,014,369.14/55,626.62
  6. Step 6: Final answer
    x = 20,260.34

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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.