Home / 52,689.08-79,064.37-21,114.27

Finding the Fourth Proportional to 52,689.08, 79,064.37 and 21,114.27

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Solution

The fourth proportional to 52,689.08, 79,064.37 and 21,114.27 is: 31,683.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,689.08 : 79,064.37 = 21,114.27 : x
  2. Step 2: Convert to fraction form
    52,689.08/79,064.37 = 21,114.27/x
  3. Step 3: Cross multiply
    52,689.08x = 79,064.37 × 21,114.27
  4. Step 4: Simplify right side
    52,689.08x = 1,669,386,455.56
  5. Step 5: Solve for x
    x = 1,669,386,455.56/52,689.08
  6. Step 6: Final answer
    x = 31,683.73

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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.