Home / 51,598.04-77,431.58-18,766.04

Finding the Fourth Proportional to 51,598.04, 77,431.58 and 18,766.04

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Solution

The fourth proportional to 51,598.04, 77,431.58 and 18,766.04 is: 28,161.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,598.04 : 77,431.58 = 18,766.04 : x
  2. Step 2: Convert to fraction form
    51,598.04/77,431.58 = 18,766.04/x
  3. Step 3: Cross multiply
    51,598.04x = 77,431.58 × 18,766.04
  4. Step 4: Simplify right side
    51,598.04x = 1,453,084,127.54
  5. Step 5: Solve for x
    x = 1,453,084,127.54/51,598.04
  6. Step 6: Final answer
    x = 28,161.61

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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.