Home / 47,228.04-65,166.12-28,365.48

Finding the Fourth Proportional to 47,228.04, 65,166.12 and 28,365.48

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Solution

The fourth proportional to 47,228.04, 65,166.12 and 28,365.48 is: 39,139.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,228.04 : 65,166.12 = 28,365.48 : x
  2. Step 2: Convert to fraction form
    47,228.04/65,166.12 = 28,365.48/x
  3. Step 3: Cross multiply
    47,228.04x = 65,166.12 × 28,365.48
  4. Step 4: Simplify right side
    47,228.04x = 1,848,468,273.54
  5. Step 5: Solve for x
    x = 1,848,468,273.54/47,228.04
  6. Step 6: Final answer
    x = 39,139.21

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1.5x scale

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.