Home / 48,379.31-72,573.56-18,799.43

Finding the Fourth Proportional to 48,379.31, 72,573.56 and 18,799.43

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Solution

The fourth proportional to 48,379.31, 72,573.56 and 18,799.43 is: 28,200.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,379.31 : 72,573.56 = 18,799.43 : x
  2. Step 2: Convert to fraction form
    48,379.31/72,573.56 = 18,799.43/x
  3. Step 3: Cross multiply
    48,379.31x = 72,573.56 × 18,799.43
  4. Step 4: Simplify right side
    48,379.31x = 1,364,341,561.07
  5. Step 5: Solve for x
    x = 1,364,341,561.07/48,379.31
  6. Step 6: Final answer
    x = 28,200.93

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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.