Home / 30,773.66-42,467.90-18,023.99

Finding the Fourth Proportional to 30,773.66, 42,467.90 and 18,023.99

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Solution

The fourth proportional to 30,773.66, 42,467.90 and 18,023.99 is: 24,873.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,773.66 : 42,467.90 = 18,023.99 : x
  2. Step 2: Convert to fraction form
    30,773.66/42,467.90 = 18,023.99/x
  3. Step 3: Cross multiply
    30,773.66x = 42,467.90 × 18,023.99
  4. Step 4: Simplify right side
    30,773.66x = 765,440,702.46
  5. Step 5: Solve for x
    x = 765,440,702.46/30,773.66
  6. Step 6: Final answer
    x = 24,873.25

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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.