Home / 48,335.64-72,529.89-18,754.64

Finding the Fourth Proportional to 48,335.64, 72,529.89 and 18,754.64

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Solution

The fourth proportional to 48,335.64, 72,529.89 and 18,754.64 is: 28,142.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,335.64 : 72,529.89 = 18,754.64 : x
  2. Step 2: Convert to fraction form
    48,335.64/72,529.89 = 18,754.64/x
  3. Step 3: Cross multiply
    48,335.64x = 72,529.89 × 18,754.64
  4. Step 4: Simplify right side
    48,335.64x = 1,360,271,882.42
  5. Step 5: Solve for x
    x = 1,360,271,882.42/48,335.64
  6. Step 6: Final answer
    x = 28,142.21

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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.