Home / 51,790.58-71,470.29-29,129.56

Finding the Fourth Proportional to 51,790.58, 71,470.29 and 29,129.56

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Solution

The fourth proportional to 51,790.58, 71,470.29 and 29,129.56 is: 40,198.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,790.58 : 71,470.29 = 29,129.56 : x
  2. Step 2: Convert to fraction form
    51,790.58/71,470.29 = 29,129.56/x
  3. Step 3: Cross multiply
    51,790.58x = 71,470.29 × 29,129.56
  4. Step 4: Simplify right side
    51,790.58x = 2,081,898,433.35
  5. Step 5: Solve for x
    x = 2,081,898,433.35/51,790.58
  6. Step 6: Final answer
    x = 40,198.40

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1.5x scale

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.