Home / 48,324.96-72,486.50-19,855.86

Finding the Fourth Proportional to 48,324.96, 72,486.50 and 19,855.86

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Solution

The fourth proportional to 48,324.96, 72,486.50 and 19,855.86 is: 29,783.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,324.96 : 72,486.50 = 19,855.86 : x
  2. Step 2: Convert to fraction form
    48,324.96/72,486.50 = 19,855.86/x
  3. Step 3: Cross multiply
    48,324.96x = 72,486.50 × 19,855.86
  4. Step 4: Simplify right side
    48,324.96x = 1,439,281,795.89
  5. Step 5: Solve for x
    x = 1,439,281,795.89/48,324.96
  6. Step 6: Final answer
    x = 29,783.40

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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.