Home / 43,389.80-65,094.47-15,311.86

Finding the Fourth Proportional to 43,389.80, 65,094.47 and 15,311.86

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Solution

The fourth proportional to 43,389.80, 65,094.47 and 15,311.86 is: 22,971.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,389.80 : 65,094.47 = 15,311.86 : x
  2. Step 2: Convert to fraction form
    43,389.80/65,094.47 = 15,311.86/x
  3. Step 3: Cross multiply
    43,389.80x = 65,094.47 × 15,311.86
  4. Step 4: Simplify right side
    43,389.80x = 996,717,229.54
  5. Step 5: Solve for x
    x = 996,717,229.54/43,389.80
  6. Step 6: Final answer
    x = 22,971.23

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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.