Home / 47,609.17-65,649.49-40,137.83

Finding the Fourth Proportional to 47,609.17, 65,649.49 and 40,137.83

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Solution

The fourth proportional to 47,609.17, 65,649.49 and 40,137.83 is: 55,347.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,609.17 : 65,649.49 = 40,137.83 : x
  2. Step 2: Convert to fraction form
    47,609.17/65,649.49 = 40,137.83/x
  3. Step 3: Cross multiply
    47,609.17x = 65,649.49 × 40,137.83
  4. Step 4: Simplify right side
    47,609.17x = 2,635,027,886.80
  5. Step 5: Solve for x
    x = 2,635,027,886.80/47,609.17
  6. Step 6: Final answer
    x = 55,347.07

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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.