Home / 51,447.63-77,180.09-17,712.30

Finding the Fourth Proportional to 51,447.63, 77,180.09 and 17,712.30

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Solution

The fourth proportional to 51,447.63, 77,180.09 and 17,712.30 is: 26,571.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,447.63 : 77,180.09 = 17,712.30 : x
  2. Step 2: Convert to fraction form
    51,447.63/77,180.09 = 17,712.30/x
  3. Step 3: Cross multiply
    51,447.63x = 77,180.09 × 17,712.30
  4. Step 4: Simplify right side
    51,447.63x = 1,367,036,819.55
  5. Step 5: Solve for x
    x = 1,367,036,819.55/51,447.63
  6. Step 6: Final answer
    x = 26,571.42

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1.5x scale

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.