Home / 43,412.07-65,125.37-13,838.97

Finding the Fourth Proportional to 43,412.07, 65,125.37 and 13,838.97

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Solution

The fourth proportional to 43,412.07, 65,125.37 and 13,838.97 is: 20,760.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,412.07 : 65,125.37 = 13,838.97 : x
  2. Step 2: Convert to fraction form
    43,412.07/65,125.37 = 13,838.97/x
  3. Step 3: Cross multiply
    43,412.07x = 65,125.37 × 13,838.97
  4. Step 4: Simplify right side
    43,412.07x = 901,268,041.67
  5. Step 5: Solve for x
    x = 901,268,041.67/43,412.07
  6. Step 6: Final answer
    x = 20,760.77

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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.