Home / 42,164.45-63,246.96-12,582.54

Finding the Fourth Proportional to 42,164.45, 63,246.96 and 12,582.54

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Solution

The fourth proportional to 42,164.45, 63,246.96 and 12,582.54 is: 18,873.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,164.45 : 63,246.96 = 12,582.54 : x
  2. Step 2: Convert to fraction form
    42,164.45/63,246.96 = 12,582.54/x
  3. Step 3: Cross multiply
    42,164.45x = 63,246.96 × 12,582.54
  4. Step 4: Simplify right side
    42,164.45x = 795,807,404.08
  5. Step 5: Solve for x
    x = 795,807,404.08/42,164.45
  6. Step 6: Final answer
    x = 18,873.90

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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.