Home / 34,215.22-51,280.90-19,436.58

Finding the Fourth Proportional to 34,215.22, 51,280.90 and 19,436.58

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Solution

The fourth proportional to 34,215.22, 51,280.90 and 19,436.58 is: 29,131.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,215.22 : 51,280.90 = 19,436.58 : x
  2. Step 2: Convert to fraction form
    34,215.22/51,280.90 = 19,436.58/x
  3. Step 3: Cross multiply
    34,215.22x = 51,280.90 × 19,436.58
  4. Step 4: Simplify right side
    34,215.22x = 996,725,315.32
  5. Step 5: Solve for x
    x = 996,725,315.32/34,215.22
  6. Step 6: Final answer
    x = 29,131.05

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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.