Home / 48,277.40-72,416.03-13,219.79

Finding the Fourth Proportional to 48,277.40, 72,416.03 and 13,219.79

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Solution

The fourth proportional to 48,277.40, 72,416.03 and 13,219.79 is: 19,829.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,277.40 : 72,416.03 = 13,219.79 : x
  2. Step 2: Convert to fraction form
    48,277.40/72,416.03 = 13,219.79/x
  3. Step 3: Cross multiply
    48,277.40x = 72,416.03 × 13,219.79
  4. Step 4: Simplify right side
    48,277.40x = 957,324,281.05
  5. Step 5: Solve for x
    x = 957,324,281.05/48,277.40
  6. Step 6: Final answer
    x = 19,829.66

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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.