Home / 52,117.20-71,917.32-30,604.64

Finding the Fourth Proportional to 52,117.20, 71,917.32 and 30,604.64

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Solution

The fourth proportional to 52,117.20, 71,917.32 and 30,604.64 is: 42,231.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,117.20 : 71,917.32 = 30,604.64 : x
  2. Step 2: Convert to fraction form
    52,117.20/71,917.32 = 30,604.64/x
  3. Step 3: Cross multiply
    52,117.20x = 71,917.32 × 30,604.64
  4. Step 4: Simplify right side
    52,117.20x = 2,201,003,688.36
  5. Step 5: Solve for x
    x = 2,201,003,688.36/52,117.20
  6. Step 6: Final answer
    x = 42,231.81

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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.