Home / 43,816.48-65,723.76-12,225.70

Finding the Fourth Proportional to 43,816.48, 65,723.76 and 12,225.70

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Solution

The fourth proportional to 43,816.48, 65,723.76 and 12,225.70 is: 18,338.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,816.48 : 65,723.76 = 12,225.70 : x
  2. Step 2: Convert to fraction form
    43,816.48/65,723.76 = 12,225.70/x
  3. Step 3: Cross multiply
    43,816.48x = 65,723.76 × 12,225.70
  4. Step 4: Simplify right side
    43,816.48x = 803,518,972.63
  5. Step 5: Solve for x
    x = 803,518,972.63/43,816.48
  6. Step 6: Final answer
    x = 18,338.28

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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.