Home / 51,089.20-70,489.32-29,873.68

Finding the Fourth Proportional to 51,089.20, 70,489.32 and 29,873.68

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Solution

The fourth proportional to 51,089.20, 70,489.32 and 29,873.68 is: 41,217.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,089.20 : 70,489.32 = 29,873.68 : x
  2. Step 2: Convert to fraction form
    51,089.20/70,489.32 = 29,873.68/x
  3. Step 3: Cross multiply
    51,089.20x = 70,489.32 × 29,873.68
  4. Step 4: Simplify right side
    51,089.20x = 2,105,775,389.10
  5. Step 5: Solve for x
    x = 2,105,775,389.10/51,089.20
  6. Step 6: Final answer
    x = 41,217.62

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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.