Home / 30,724.02-42,398.91-17,295.44

Finding the Fourth Proportional to 30,724.02, 42,398.91 and 17,295.44

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Solution

The fourth proportional to 30,724.02, 42,398.91 and 17,295.44 is: 23,867.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,724.02 : 42,398.91 = 17,295.44 : x
  2. Step 2: Convert to fraction form
    30,724.02/42,398.91 = 17,295.44/x
  3. Step 3: Cross multiply
    30,724.02x = 42,398.91 × 17,295.44
  4. Step 4: Simplify right side
    30,724.02x = 733,307,591.98
  5. Step 5: Solve for x
    x = 733,307,591.98/30,724.02
  6. Step 6: Final answer
    x = 23,867.57

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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.