Home / 55,281.60-76,275-33,765.84

Finding the Fourth Proportional to 55,281.60, 76,275 and 33,765.84

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Solution

The fourth proportional to 55,281.60, 76,275 and 33,765.84 is: 46,588.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,281.60 : 76,275 = 33,765.84 : x
  2. Step 2: Convert to fraction form
    55,281.60/76,275 = 33,765.84/x
  3. Step 3: Cross multiply
    55,281.60x = 76,275 × 33,765.84
  4. Step 4: Simplify right side
    55,281.60x = 2,575,489,446.00
  5. Step 5: Solve for x
    x = 2,575,489,446.00/55,281.60
  6. Step 6: Final answer
    x = 46,588.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.