Home / 48,460.31-72,660.70-18,843.63

Finding the Fourth Proportional to 48,460.31, 72,660.70 and 18,843.63

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Solution

The fourth proportional to 48,460.31, 72,660.70 and 18,843.63 is: 28,253.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,460.31 : 72,660.70 = 18,843.63 : x
  2. Step 2: Convert to fraction form
    48,460.31/72,660.70 = 18,843.63/x
  3. Step 3: Cross multiply
    48,460.31x = 72,660.70 × 18,843.63
  4. Step 4: Simplify right side
    48,460.31x = 1,369,190,983.04
  5. Step 5: Solve for x
    x = 1,369,190,983.04/48,460.31
  6. Step 6: Final answer
    x = 28,253.86

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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.