Home / 55,918.24-83,827.44-20,859.52

Finding the Fourth Proportional to 55,918.24, 83,827.44 and 20,859.52

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Solution

The fourth proportional to 55,918.24, 83,827.44 and 20,859.52 is: 31,270.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,918.24 : 83,827.44 = 20,859.52 : x
  2. Step 2: Convert to fraction form
    55,918.24/83,827.44 = 20,859.52/x
  3. Step 3: Cross multiply
    55,918.24x = 83,827.44 × 20,859.52
  4. Step 4: Simplify right side
    55,918.24x = 1,748,600,161.23
  5. Step 5: Solve for x
    x = 1,748,600,161.23/55,918.24
  6. Step 6: Final answer
    x = 31,270.66

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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.