Home / 34,219.48-51,287.28-19,440.84

Finding the Fourth Proportional to 34,219.48, 51,287.28 and 19,440.84

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Solution

The fourth proportional to 34,219.48, 51,287.28 and 19,440.84 is: 29,137.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,219.48 : 51,287.28 = 19,440.84 : x
  2. Step 2: Convert to fraction form
    34,219.48/51,287.28 = 19,440.84/x
  3. Step 3: Cross multiply
    34,219.48x = 51,287.28 × 19,440.84
  4. Step 4: Simplify right side
    34,219.48x = 997,067,804.52
  5. Step 5: Solve for x
    x = 997,067,804.52/34,219.48
  6. Step 6: Final answer
    x = 29,137.43

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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.