Home / 56,122.65-84,183.72-18,682.67

Finding the Fourth Proportional to 56,122.65, 84,183.72 and 18,682.67

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Solution

The fourth proportional to 56,122.65, 84,183.72 and 18,682.67 is: 28,023.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,122.65 : 84,183.72 = 18,682.67 : x
  2. Step 2: Convert to fraction form
    56,122.65/84,183.72 = 18,682.67/x
  3. Step 3: Cross multiply
    56,122.65x = 84,183.72 × 18,682.67
  4. Step 4: Simplify right side
    56,122.65x = 1,572,776,239.21
  5. Step 5: Solve for x
    x = 1,572,776,239.21/56,122.65
  6. Step 6: Final answer
    x = 28,023.91

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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.