Home / 47,608.21-65,669.45-30,634.53

Finding the Fourth Proportional to 47,608.21, 65,669.45 and 30,634.53

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Solution

The fourth proportional to 47,608.21, 65,669.45 and 30,634.53 is: 42,256.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,608.21 : 65,669.45 = 30,634.53 : x
  2. Step 2: Convert to fraction form
    47,608.21/65,669.45 = 30,634.53/x
  3. Step 3: Cross multiply
    47,608.21x = 65,669.45 × 30,634.53
  4. Step 4: Simplify right side
    47,608.21x = 2,011,752,736.11
  5. Step 5: Solve for x
    x = 2,011,752,736.11/47,608.21
  6. Step 6: Final answer
    x = 42,256.42

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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.