Home / 30,772.72-42,466.30-16,625.52

Finding the Fourth Proportional to 30,772.72, 42,466.30 and 16,625.52

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Solution

The fourth proportional to 30,772.72, 42,466.30 and 16,625.52 is: 22,943.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,772.72 : 42,466.30 = 16,625.52 : x
  2. Step 2: Convert to fraction form
    30,772.72/42,466.30 = 16,625.52/x
  3. Step 3: Cross multiply
    30,772.72x = 42,466.30 × 16,625.52
  4. Step 4: Simplify right side
    30,772.72x = 706,024,319.98
  5. Step 5: Solve for x
    x = 706,024,319.98/30,772.72
  6. Step 6: Final answer
    x = 22,943.19

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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.