Home / 57,042.48-85,533.12-31,749.96

Finding the Fourth Proportional to 57,042.48, 85,533.12 and 31,749.96

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Solution

The fourth proportional to 57,042.48, 85,533.12 and 31,749.96 is: 47,607.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,042.48 : 85,533.12 = 31,749.96 : x
  2. Step 2: Convert to fraction form
    57,042.48/85,533.12 = 31,749.96/x
  3. Step 3: Cross multiply
    57,042.48x = 85,533.12 × 31,749.96
  4. Step 4: Simplify right side
    57,042.48x = 2,715,673,138.68
  5. Step 5: Solve for x
    x = 2,715,673,138.68/57,042.48
  6. Step 6: Final answer
    x = 47,607.91

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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.