Home / 42,446.16-63,670.68-11,281.44

Finding the Fourth Proportional to 42,446.16, 63,670.68 and 11,281.44

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Solution

The fourth proportional to 42,446.16, 63,670.68 and 11,281.44 is: 16,922.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,446.16 : 63,670.68 = 11,281.44 : x
  2. Step 2: Convert to fraction form
    42,446.16/63,670.68 = 11,281.44/x
  3. Step 3: Cross multiply
    42,446.16x = 63,670.68 × 11,281.44
  4. Step 4: Simplify right side
    42,446.16x = 718,296,956.18
  5. Step 5: Solve for x
    x = 718,296,956.18/42,446.16
  6. Step 6: Final answer
    x = 16,922.54

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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.