Home / 31,949.02-47,887.18-19,441.46

Finding the Fourth Proportional to 31,949.02, 47,887.18 and 19,441.46

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Solution

The fourth proportional to 31,949.02, 47,887.18 and 19,441.46 is: 29,140.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,949.02 : 47,887.18 = 19,441.46 : x
  2. Step 2: Convert to fraction form
    31,949.02/47,887.18 = 19,441.46/x
  3. Step 3: Cross multiply
    31,949.02x = 47,887.18 × 19,441.46
  4. Step 4: Simplify right side
    31,949.02x = 930,996,694.48
  5. Step 5: Solve for x
    x = 930,996,694.48/31,949.02
  6. Step 6: Final answer
    x = 29,140.07

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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.