Home / 48,441.51-72,632.54-18,824.78

Finding the Fourth Proportional to 48,441.51, 72,632.54 and 18,824.78

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Solution

The fourth proportional to 48,441.51, 72,632.54 and 18,824.78 is: 28,225.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,441.51 : 72,632.54 = 18,824.78 : x
  2. Step 2: Convert to fraction form
    48,441.51/72,632.54 = 18,824.78/x
  3. Step 3: Cross multiply
    48,441.51x = 72,632.54 × 18,824.78
  4. Step 4: Simplify right side
    48,441.51x = 1,367,291,129.05
  5. Step 5: Solve for x
    x = 1,367,291,129.05/48,441.51
  6. Step 6: Final answer
    x = 28,225.61

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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.