Home / 48,607.51-72,921.44-20,527.65

Finding the Fourth Proportional to 48,607.51, 72,921.44 and 20,527.65

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Solution

The fourth proportional to 48,607.51, 72,921.44 and 20,527.65 is: 30,795.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,607.51 : 72,921.44 = 20,527.65 : x
  2. Step 2: Convert to fraction form
    48,607.51/72,921.44 = 20,527.65/x
  3. Step 3: Cross multiply
    48,607.51x = 72,921.44 × 20,527.65
  4. Step 4: Simplify right side
    48,607.51x = 1,496,905,797.82
  5. Step 5: Solve for x
    x = 1,496,905,797.82/48,607.51
  6. Step 6: Final answer
    x = 30,795.77

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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.