Home / 39,142.70-58,702.17-11,060.54

Finding the Fourth Proportional to 39,142.70, 58,702.17 and 11,060.54

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Solution

The fourth proportional to 39,142.70, 58,702.17 and 11,060.54 is: 16,587.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,142.70 : 58,702.17 = 11,060.54 : x
  2. Step 2: Convert to fraction form
    39,142.70/58,702.17 = 11,060.54/x
  3. Step 3: Cross multiply
    39,142.70x = 58,702.17 × 11,060.54
  4. Step 4: Simplify right side
    39,142.70x = 649,277,699.37
  5. Step 5: Solve for x
    x = 649,277,699.37/39,142.70
  6. Step 6: Final answer
    x = 16,587.45

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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.