Home / 45,111.53-67,622.67-21,377.39

Finding the Fourth Proportional to 45,111.53, 67,622.67 and 21,377.39

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Solution

The fourth proportional to 45,111.53, 67,622.67 and 21,377.39 is: 32,044.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,111.53 : 67,622.67 = 21,377.39 : x
  2. Step 2: Convert to fraction form
    45,111.53/67,622.67 = 21,377.39/x
  3. Step 3: Cross multiply
    45,111.53x = 67,622.67 × 21,377.39
  4. Step 4: Simplify right side
    45,111.53x = 1,445,596,189.43
  5. Step 5: Solve for x
    x = 1,445,596,189.43/45,111.53
  6. Step 6: Final answer
    x = 32,044.94

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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.