Home / 55,276.60-76,281.42-30,125.88

Finding the Fourth Proportional to 55,276.60, 76,281.42 and 30,125.88

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Solution

The fourth proportional to 55,276.60, 76,281.42 and 30,125.88 is: 41,573.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,276.60 : 76,281.42 = 30,125.88 : x
  2. Step 2: Convert to fraction form
    55,276.60/76,281.42 = 30,125.88/x
  3. Step 3: Cross multiply
    55,276.60x = 76,281.42 × 30,125.88
  4. Step 4: Simplify right side
    55,276.60x = 2,298,044,905.15
  5. Step 5: Solve for x
    x = 2,298,044,905.15/55,276.60
  6. Step 6: Final answer
    x = 41,573.56

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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.