Home / 51,790.32-71,479.26-29,139.48

Finding the Fourth Proportional to 51,790.32, 71,479.26 and 29,139.48

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Solution

The fourth proportional to 51,790.32, 71,479.26 and 29,139.48 is: 40,217.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,790.32 : 71,479.26 = 29,139.48 : x
  2. Step 2: Convert to fraction form
    51,790.32/71,479.26 = 29,139.48/x
  3. Step 3: Cross multiply
    51,790.32x = 71,479.26 × 29,139.48
  4. Step 4: Simplify right side
    51,790.32x = 2,082,868,467.18
  5. Step 5: Solve for x
    x = 2,082,868,467.18/51,790.32
  6. Step 6: Final answer
    x = 40,217.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.