Home / 47,229.54-65,168.19-28,366.98

Finding the Fourth Proportional to 47,229.54, 65,168.19 and 28,366.98

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Solution

The fourth proportional to 47,229.54, 65,168.19 and 28,366.98 is: 39,141.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,229.54 : 65,168.19 = 28,366.98 : x
  2. Step 2: Convert to fraction form
    47,229.54/65,168.19 = 28,366.98/x
  3. Step 3: Cross multiply
    47,229.54x = 65,168.19 × 28,366.98
  4. Step 4: Simplify right side
    47,229.54x = 1,848,624,742.37
  5. Step 5: Solve for x
    x = 1,848,624,742.37/47,229.54
  6. Step 6: Final answer
    x = 39,141.28

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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.