Home / 55,077-76,005.70-29,926.60

Finding the Fourth Proportional to 55,077, 76,005.70 and 29,926.60

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Solution

The fourth proportional to 55,077, 76,005.70 and 29,926.60 is: 41,298.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,077 : 76,005.70 = 29,926.60 : x
  2. Step 2: Convert to fraction form
    55,077/76,005.70 = 29,926.60/x
  3. Step 3: Cross multiply
    55,077x = 76,005.70 × 29,926.60
  4. Step 4: Simplify right side
    55,077x = 2,274,592,181.62
  5. Step 5: Solve for x
    x = 2,274,592,181.62/55,077
  6. Step 6: Final answer
    x = 41,298.40

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1.5x scale

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.