Home / 35,672.15-49,228.07-20,564.54

Finding the Fourth Proportional to 35,672.15, 49,228.07 and 20,564.54

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Solution

The fourth proportional to 35,672.15, 49,228.07 and 20,564.54 is: 28,379.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,672.15 : 49,228.07 = 20,564.54 : x
  2. Step 2: Convert to fraction form
    35,672.15/49,228.07 = 20,564.54/x
  3. Step 3: Cross multiply
    35,672.15x = 49,228.07 × 20,564.54
  4. Step 4: Simplify right side
    35,672.15x = 1,012,352,265.67
  5. Step 5: Solve for x
    x = 1,012,352,265.67/35,672.15
  6. Step 6: Final answer
    x = 28,379.35

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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.