Home / 47,237.31-65,192.09-35,279.89

Finding the Fourth Proportional to 47,237.31, 65,192.09 and 35,279.89

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Solution

The fourth proportional to 47,237.31, 65,192.09 and 35,279.89 is: 48,689.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,237.31 : 65,192.09 = 35,279.89 : x
  2. Step 2: Convert to fraction form
    47,237.31/65,192.09 = 35,279.89/x
  3. Step 3: Cross multiply
    47,237.31x = 65,192.09 × 35,279.89
  4. Step 4: Simplify right side
    47,237.31x = 2,299,969,764.07
  5. Step 5: Solve for x
    x = 2,299,969,764.07/47,237.31
  6. Step 6: Final answer
    x = 48,689.69

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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.