Home / 30,583.31-45,887.21-13,951.17

Finding the Fourth Proportional to 30,583.31, 45,887.21 and 13,951.17

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Solution

The fourth proportional to 30,583.31, 45,887.21 and 13,951.17 is: 20,932.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,583.31 : 45,887.21 = 13,951.17 : x
  2. Step 2: Convert to fraction form
    30,583.31/45,887.21 = 13,951.17/x
  3. Step 3: Cross multiply
    30,583.31x = 45,887.21 × 13,951.17
  4. Step 4: Simplify right side
    30,583.31x = 640,180,250.10
  5. Step 5: Solve for x
    x = 640,180,250.10/30,583.31
  6. Step 6: Final answer
    x = 20,932.34

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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.