Home / 48,624.04-72,905.82-20,529.64

Finding the Fourth Proportional to 48,624.04, 72,905.82 and 20,529.64

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Solution

The fourth proportional to 48,624.04, 72,905.82 and 20,529.64 is: 30,781.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,624.04 : 72,905.82 = 20,529.64 : x
  2. Step 2: Convert to fraction form
    48,624.04/72,905.82 = 20,529.64/x
  3. Step 3: Cross multiply
    48,624.04x = 72,905.82 × 20,529.64
  4. Step 4: Simplify right side
    48,624.04x = 1,496,730,238.50
  5. Step 5: Solve for x
    x = 1,496,730,238.50/48,624.04
  6. Step 6: Final answer
    x = 30,781.69

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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.