Home / 30,772.56-42,466.17-16,625.44

Finding the Fourth Proportional to 30,772.56, 42,466.17 and 16,625.44

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Solution

The fourth proportional to 30,772.56, 42,466.17 and 16,625.44 is: 22,943.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,772.56 : 42,466.17 = 16,625.44 : x
  2. Step 2: Convert to fraction form
    30,772.56/42,466.17 = 16,625.44/x
  3. Step 3: Cross multiply
    30,772.56x = 42,466.17 × 16,625.44
  4. Step 4: Simplify right side
    30,772.56x = 706,018,761.36
  5. Step 5: Solve for x
    x = 706,018,761.36/30,772.56
  6. Step 6: Final answer
    x = 22,943.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.