Home / 48,553.86-72,812.32-18,967.84

Finding the Fourth Proportional to 48,553.86, 72,812.32 and 18,967.84

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Solution

The fourth proportional to 48,553.86, 72,812.32 and 18,967.84 is: 28,444.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,553.86 : 72,812.32 = 18,967.84 : x
  2. Step 2: Convert to fraction form
    48,553.86/72,812.32 = 18,967.84/x
  3. Step 3: Cross multiply
    48,553.86x = 72,812.32 × 18,967.84
  4. Step 4: Simplify right side
    48,553.86x = 1,381,092,435.79
  5. Step 5: Solve for x
    x = 1,381,092,435.79/48,553.86
  6. Step 6: Final answer
    x = 28,444.54

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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.