Home / 56,564.03-84,847.13-17,120.99

Finding the Fourth Proportional to 56,564.03, 84,847.13 and 17,120.99

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Solution

The fourth proportional to 56,564.03, 84,847.13 and 17,120.99 is: 25,681.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,564.03 : 84,847.13 = 17,120.99 : x
  2. Step 2: Convert to fraction form
    56,564.03/84,847.13 = 17,120.99/x
  3. Step 3: Cross multiply
    56,564.03x = 84,847.13 × 17,120.99
  4. Step 4: Simplify right side
    56,564.03x = 1,452,666,778.65
  5. Step 5: Solve for x
    x = 1,452,666,778.65/56,564.03
  6. Step 6: Final answer
    x = 25,681.81

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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.