Home / 34,612.20-51,918.30-21,490.20

Finding the Fourth Proportional to 34,612.20, 51,918.30 and 21,490.20

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Solution

The fourth proportional to 34,612.20, 51,918.30 and 21,490.20 is: 32,235.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,612.20 : 51,918.30 = 21,490.20 : x
  2. Step 2: Convert to fraction form
    34,612.20/51,918.30 = 21,490.20/x
  3. Step 3: Cross multiply
    34,612.20x = 51,918.30 × 21,490.20
  4. Step 4: Simplify right side
    34,612.20x = 1,115,734,650.66
  5. Step 5: Solve for x
    x = 1,115,734,650.66/34,612.20
  6. Step 6: Final answer
    x = 32,235.30

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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.