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Finding the Fourth Proportional to 34,614.80, 51,919.74 and 19,777.22

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Solution

The fourth proportional to 34,614.80, 51,919.74 and 19,777.22 is: 29,664.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,614.80 : 51,919.74 = 19,777.22 : x
  2. Step 2: Convert to fraction form
    34,614.80/51,919.74 = 19,777.22/x
  3. Step 3: Cross multiply
    34,614.80x = 51,919.74 × 19,777.22
  4. Step 4: Simplify right side
    34,614.80x = 1,026,828,120.32
  5. Step 5: Solve for x
    x = 1,026,828,120.32/34,614.80
  6. Step 6: Final answer
    x = 29,664.42

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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.