Home / 42,188.08-63,299.58-18,483.38

Finding the Fourth Proportional to 42,188.08, 63,299.58 and 18,483.38

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Solution

The fourth proportional to 42,188.08, 63,299.58 and 18,483.38 is: 27,732.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,188.08 : 63,299.58 = 18,483.38 : x
  2. Step 2: Convert to fraction form
    42,188.08/63,299.58 = 18,483.38/x
  3. Step 3: Cross multiply
    42,188.08x = 63,299.58 × 18,483.38
  4. Step 4: Simplify right side
    42,188.08x = 1,169,990,190.98
  5. Step 5: Solve for x
    x = 1,169,990,190.98/42,188.08
  6. Step 6: Final answer
    x = 27,732.72

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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.