Home / 48,563.10-72,801.47-18,974.21

Finding the Fourth Proportional to 48,563.10, 72,801.47 and 18,974.21

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Solution

The fourth proportional to 48,563.10, 72,801.47 and 18,974.21 is: 28,444.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,563.10 : 72,801.47 = 18,974.21 : x
  2. Step 2: Convert to fraction form
    48,563.10/72,801.47 = 18,974.21/x
  3. Step 3: Cross multiply
    48,563.10x = 72,801.47 × 18,974.21
  4. Step 4: Simplify right side
    48,563.10x = 1,381,349,921.21
  5. Step 5: Solve for x
    x = 1,381,349,921.21/48,563.10
  6. Step 6: Final answer
    x = 28,444.43

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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.