Home / 30,216.87-45,325.32-11,492.59

Finding the Fourth Proportional to 30,216.87, 45,325.32 and 11,492.59

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Solution

The fourth proportional to 30,216.87, 45,325.32 and 11,492.59 is: 17,238.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,216.87 : 45,325.32 = 11,492.59 : x
  2. Step 2: Convert to fraction form
    30,216.87/45,325.32 = 11,492.59/x
  3. Step 3: Cross multiply
    30,216.87x = 45,325.32 × 11,492.59
  4. Step 4: Simplify right side
    30,216.87x = 520,905,092.75
  5. Step 5: Solve for x
    x = 520,905,092.75/30,216.87
  6. Step 6: Final answer
    x = 17,238.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.