Home / 48,538.45-72,777.52-20,444.04

Finding the Fourth Proportional to 48,538.45, 72,777.52 and 20,444.04

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Solution

The fourth proportional to 48,538.45, 72,777.52 and 20,444.04 is: 30,653.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,538.45 : 72,777.52 = 20,444.04 : x
  2. Step 2: Convert to fraction form
    48,538.45/72,777.52 = 20,444.04/x
  3. Step 3: Cross multiply
    48,538.45x = 72,777.52 × 20,444.04
  4. Step 4: Simplify right side
    48,538.45x = 1,487,866,529.98
  5. Step 5: Solve for x
    x = 1,487,866,529.98/48,538.45
  6. Step 6: Final answer
    x = 30,653.36

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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.