Home / 42,183.58-63,292.84-18,478.88

Finding the Fourth Proportional to 42,183.58, 63,292.84 and 18,478.88

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Solution

The fourth proportional to 42,183.58, 63,292.84 and 18,478.88 is: 27,725.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,183.58 : 63,292.84 = 18,478.88 : x
  2. Step 2: Convert to fraction form
    42,183.58/63,292.84 = 18,478.88/x
  3. Step 3: Cross multiply
    42,183.58x = 63,292.84 × 18,478.88
  4. Step 4: Simplify right side
    42,183.58x = 1,169,580,702.82
  5. Step 5: Solve for x
    x = 1,169,580,702.82/42,183.58
  6. Step 6: Final answer
    x = 27,725.97

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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.