Home / 34,110.96-47,060.64-20,672.52

Finding the Fourth Proportional to 34,110.96, 47,060.64 and 20,672.52

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Solution

The fourth proportional to 34,110.96, 47,060.64 and 20,672.52 is: 28,520.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,110.96 : 47,060.64 = 20,672.52 : x
  2. Step 2: Convert to fraction form
    34,110.96/47,060.64 = 20,672.52/x
  3. Step 3: Cross multiply
    34,110.96x = 47,060.64 × 20,672.52
  4. Step 4: Simplify right side
    34,110.96x = 972,862,021.61
  5. Step 5: Solve for x
    x = 972,862,021.61/34,110.96
  6. Step 6: Final answer
    x = 28,520.51

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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.