Home / 53,324.13-79,916.94-21,697.32

Finding the Fourth Proportional to 53,324.13, 79,916.94 and 21,697.32

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Solution

The fourth proportional to 53,324.13, 79,916.94 and 21,697.32 is: 32,517.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,324.13 : 79,916.94 = 21,697.32 : x
  2. Step 2: Convert to fraction form
    53,324.13/79,916.94 = 21,697.32/x
  3. Step 3: Cross multiply
    53,324.13x = 79,916.94 × 21,697.32
  4. Step 4: Simplify right side
    53,324.13x = 1,733,983,420.60
  5. Step 5: Solve for x
    x = 1,733,983,420.60/53,324.13
  6. Step 6: Final answer
    x = 32,517.80

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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.