Home / 30,737.22-42,416.88-17,308.44

Finding the Fourth Proportional to 30,737.22, 42,416.88 and 17,308.44

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Solution

The fourth proportional to 30,737.22, 42,416.88 and 17,308.44 is: 23,885.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,737.22 : 42,416.88 = 17,308.44 : x
  2. Step 2: Convert to fraction form
    30,737.22/42,416.88 = 17,308.44/x
  3. Step 3: Cross multiply
    30,737.22x = 42,416.88 × 17,308.44
  4. Step 4: Simplify right side
    30,737.22x = 734,170,022.47
  5. Step 5: Solve for x
    x = 734,170,022.47/30,737.22
  6. Step 6: Final answer
    x = 23,885.37

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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.