Home / 53,317.10-79,977-13,876.04

Finding the Fourth Proportional to 53,317.10, 79,977 and 13,876.04

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Solution

The fourth proportional to 53,317.10, 79,977 and 13,876.04 is: 20,814.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,317.10 : 79,977 = 13,876.04 : x
  2. Step 2: Convert to fraction form
    53,317.10/79,977 = 13,876.04/x
  3. Step 3: Cross multiply
    53,317.10x = 79,977 × 13,876.04
  4. Step 4: Simplify right side
    53,317.10x = 1,109,764,051.08
  5. Step 5: Solve for x
    x = 1,109,764,051.08/53,317.10
  6. Step 6: Final answer
    x = 20,814.41

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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.