Home / 51,724.32-71,370.90-30,507.77

Finding the Fourth Proportional to 51,724.32, 71,370.90 and 30,507.77

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Solution

The fourth proportional to 51,724.32, 71,370.90 and 30,507.77 is: 42,095.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,724.32 : 71,370.90 = 30,507.77 : x
  2. Step 2: Convert to fraction form
    51,724.32/71,370.90 = 30,507.77/x
  3. Step 3: Cross multiply
    51,724.32x = 71,370.90 × 30,507.77
  4. Step 4: Simplify right side
    51,724.32x = 2,177,366,645.04
  5. Step 5: Solve for x
    x = 2,177,366,645.04/51,724.32
  6. Step 6: Final answer
    x = 42,095.61

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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.