Home / 30,002.58-41,405.28-18,069.75

Finding the Fourth Proportional to 30,002.58, 41,405.28 and 18,069.75

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Solution

The fourth proportional to 30,002.58, 41,405.28 and 18,069.75 is: 24,937.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,002.58 : 41,405.28 = 18,069.75 : x
  2. Step 2: Convert to fraction form
    30,002.58/41,405.28 = 18,069.75/x
  3. Step 3: Cross multiply
    30,002.58x = 41,405.28 × 18,069.75
  4. Step 4: Simplify right side
    30,002.58x = 748,183,058.28
  5. Step 5: Solve for x
    x = 748,183,058.28/30,002.58
  6. Step 6: Final answer
    x = 24,937.29

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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.