Home / 55,369.29-83,064.87-20,309.25

Finding the Fourth Proportional to 55,369.29, 83,064.87 and 20,309.25

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Solution

The fourth proportional to 55,369.29, 83,064.87 and 20,309.25 is: 30,467.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,369.29 : 83,064.87 = 20,309.25 : x
  2. Step 2: Convert to fraction form
    55,369.29/83,064.87 = 20,309.25/x
  3. Step 3: Cross multiply
    55,369.29x = 83,064.87 × 20,309.25
  4. Step 4: Simplify right side
    55,369.29x = 1,686,985,211.05
  5. Step 5: Solve for x
    x = 1,686,985,211.05/55,369.29
  6. Step 6: Final answer
    x = 30,467.89

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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.