Home / 42,183.08-63,292.08-18,478.38

Finding the Fourth Proportional to 42,183.08, 63,292.08 and 18,478.38

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Solution

The fourth proportional to 42,183.08, 63,292.08 and 18,478.38 is: 27,725.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,183.08 : 63,292.08 = 18,478.38 : x
  2. Step 2: Convert to fraction form
    42,183.08/63,292.08 = 18,478.38/x
  3. Step 3: Cross multiply
    42,183.08x = 63,292.08 × 18,478.38
  4. Step 4: Simplify right side
    42,183.08x = 1,169,535,055.85
  5. Step 5: Solve for x
    x = 1,169,535,055.85/42,183.08
  6. Step 6: Final answer
    x = 27,725.22

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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.