Home / 43,623.59-65,442.27-18,663.80

Finding the Fourth Proportional to 43,623.59, 65,442.27 and 18,663.80

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Solution

The fourth proportional to 43,623.59, 65,442.27 and 18,663.80 is: 27,998.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,623.59 : 65,442.27 = 18,663.80 : x
  2. Step 2: Convert to fraction form
    43,623.59/65,442.27 = 18,663.80/x
  3. Step 3: Cross multiply
    43,623.59x = 65,442.27 × 18,663.80
  4. Step 4: Simplify right side
    43,623.59x = 1,221,401,438.83
  5. Step 5: Solve for x
    x = 1,221,401,438.83/43,623.59
  6. Step 6: Final answer
    x = 27,998.65

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1.5x scale

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.