Home / 47,120.67-65,031.80-26,979.75

Finding the Fourth Proportional to 47,120.67, 65,031.80 and 26,979.75

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Solution

The fourth proportional to 47,120.67, 65,031.80 and 26,979.75 is: 37,235.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,120.67 : 65,031.80 = 26,979.75 : x
  2. Step 2: Convert to fraction form
    47,120.67/65,031.80 = 26,979.75/x
  3. Step 3: Cross multiply
    47,120.67x = 65,031.80 × 26,979.75
  4. Step 4: Simplify right side
    47,120.67x = 1,754,541,571.15
  5. Step 5: Solve for x
    x = 1,754,541,571.15/47,120.67
  6. Step 6: Final answer
    x = 37,235.07

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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.