Home / 47,419.68-65,453.76-30,649.44

Finding the Fourth Proportional to 47,419.68, 65,453.76 and 30,649.44

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Solution

The fourth proportional to 47,419.68, 65,453.76 and 30,649.44 is: 42,305.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,419.68 : 65,453.76 = 30,649.44 : x
  2. Step 2: Convert to fraction form
    47,419.68/65,453.76 = 30,649.44/x
  3. Step 3: Cross multiply
    47,419.68x = 65,453.76 × 30,649.44
  4. Step 4: Simplify right side
    47,419.68x = 2,006,121,089.89
  5. Step 5: Solve for x
    x = 2,006,121,089.89/47,419.68
  6. Step 6: Final answer
    x = 42,305.66

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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.