Home / 43,623.16-65,422.79-12,025.77

Finding the Fourth Proportional to 43,623.16, 65,422.79 and 12,025.77

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Solution

The fourth proportional to 43,623.16, 65,422.79 and 12,025.77 is: 18,035.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,623.16 : 65,422.79 = 12,025.77 : x
  2. Step 2: Convert to fraction form
    43,623.16/65,422.79 = 12,025.77/x
  3. Step 3: Cross multiply
    43,623.16x = 65,422.79 × 12,025.77
  4. Step 4: Simplify right side
    43,623.16x = 786,759,164.93
  5. Step 5: Solve for x
    x = 786,759,164.93/43,623.16
  6. Step 6: Final answer
    x = 18,035.36

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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.