Home / 55,929.96-83,836.44-20,855.52

Finding the Fourth Proportional to 55,929.96, 83,836.44 and 20,855.52

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Solution

The fourth proportional to 55,929.96, 83,836.44 and 20,855.52 is: 31,261.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,929.96 : 83,836.44 = 20,855.52 : x
  2. Step 2: Convert to fraction form
    55,929.96/83,836.44 = 20,855.52/x
  3. Step 3: Cross multiply
    55,929.96x = 83,836.44 × 20,855.52
  4. Step 4: Simplify right side
    55,929.96x = 1,748,452,551.15
  5. Step 5: Solve for x
    x = 1,748,452,551.15/55,929.96
  6. Step 6: Final answer
    x = 31,261.47

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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.