Home / 51,145.02-76,739.88-17,889

Finding the Fourth Proportional to 51,145.02, 76,739.88 and 17,889

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Solution

The fourth proportional to 51,145.02, 76,739.88 and 17,889 is: 26,841.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,145.02 : 76,739.88 = 17,889 : x
  2. Step 2: Convert to fraction form
    51,145.02/76,739.88 = 17,889/x
  3. Step 3: Cross multiply
    51,145.02x = 76,739.88 × 17,889
  4. Step 4: Simplify right side
    51,145.02x = 1,372,799,713.32
  5. Step 5: Solve for x
    x = 1,372,799,713.32/51,145.02
  6. Step 6: Final answer
    x = 26,841.32

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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.