Home / 45,179.52-62,340.48-28,400.64

Finding the Fourth Proportional to 45,179.52, 62,340.48 and 28,400.64

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Solution

The fourth proportional to 45,179.52, 62,340.48 and 28,400.64 is: 39,188.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,179.52 : 62,340.48 = 28,400.64 : x
  2. Step 2: Convert to fraction form
    45,179.52/62,340.48 = 28,400.64/x
  3. Step 3: Cross multiply
    45,179.52x = 62,340.48 × 28,400.64
  4. Step 4: Simplify right side
    45,179.52x = 1,770,509,529.91
  5. Step 5: Solve for x
    x = 1,770,509,529.91/45,179.52
  6. Step 6: Final answer
    x = 39,188.32

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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.