Home / 53,845.40-80,768.10-18,773.40

Finding the Fourth Proportional to 53,845.40, 80,768.10 and 18,773.40

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Solution

The fourth proportional to 53,845.40, 80,768.10 and 18,773.40 is: 28,160.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,845.40 : 80,768.10 = 18,773.40 : x
  2. Step 2: Convert to fraction form
    53,845.40/80,768.10 = 18,773.40/x
  3. Step 3: Cross multiply
    53,845.40x = 80,768.10 × 18,773.40
  4. Step 4: Simplify right side
    53,845.40x = 1,516,291,848.54
  5. Step 5: Solve for x
    x = 1,516,291,848.54/53,845.40
  6. Step 6: Final answer
    x = 28,160.10

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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.