Home / 30,115.56-45,174.18-14,529.54

Finding the Fourth Proportional to 30,115.56, 45,174.18 and 14,529.54

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Solution

The fourth proportional to 30,115.56, 45,174.18 and 14,529.54 is: 21,794.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,115.56 : 45,174.18 = 14,529.54 : x
  2. Step 2: Convert to fraction form
    30,115.56/45,174.18 = 14,529.54/x
  3. Step 3: Cross multiply
    30,115.56x = 45,174.18 × 14,529.54
  4. Step 4: Simplify right side
    30,115.56x = 656,360,055.28
  5. Step 5: Solve for x
    x = 656,360,055.28/30,115.56
  6. Step 6: Final answer
    x = 21,794.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.