Home / 51,990.90-71,728.20-34,095.84

Finding the Fourth Proportional to 51,990.90, 71,728.20 and 34,095.84

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Solution

The fourth proportional to 51,990.90, 71,728.20 and 34,095.84 is: 47,039.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,990.90 : 71,728.20 = 34,095.84 : x
  2. Step 2: Convert to fraction form
    51,990.90/71,728.20 = 34,095.84/x
  3. Step 3: Cross multiply
    51,990.90x = 71,728.20 × 34,095.84
  4. Step 4: Simplify right side
    51,990.90x = 2,445,633,230.69
  5. Step 5: Solve for x
    x = 2,445,633,230.69/51,990.90
  6. Step 6: Final answer
    x = 47,039.64

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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.