Home / 48,440.19-72,661.65-13,379.83

Finding the Fourth Proportional to 48,440.19, 72,661.65 and 13,379.83

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Solution

The fourth proportional to 48,440.19, 72,661.65 and 13,379.83 is: 20,070.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,440.19 : 72,661.65 = 13,379.83 : x
  2. Step 2: Convert to fraction form
    48,440.19/72,661.65 = 13,379.83/x
  3. Step 3: Cross multiply
    48,440.19x = 72,661.65 × 13,379.83
  4. Step 4: Simplify right side
    48,440.19x = 972,200,524.52
  5. Step 5: Solve for x
    x = 972,200,524.52/48,440.19
  6. Step 6: Final answer
    x = 20,070.12

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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.