Home / 42,581.18-63,879.52-17,607.67

Finding the Fourth Proportional to 42,581.18, 63,879.52 and 17,607.67

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Solution

The fourth proportional to 42,581.18, 63,879.52 and 17,607.67 is: 26,414.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,581.18 : 63,879.52 = 17,607.67 : x
  2. Step 2: Convert to fraction form
    42,581.18/63,879.52 = 17,607.67/x
  3. Step 3: Cross multiply
    42,581.18x = 63,879.52 × 17,607.67
  4. Step 4: Simplify right side
    42,581.18x = 1,124,769,507.92
  5. Step 5: Solve for x
    x = 1,124,769,507.92/42,581.18
  6. Step 6: Final answer
    x = 26,414.71

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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.