Home / 43,107.75-64,661.56-13,527.86

Finding the Fourth Proportional to 43,107.75, 64,661.56 and 13,527.86

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Solution

The fourth proportional to 43,107.75, 64,661.56 and 13,527.86 is: 20,291.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,107.75 : 64,661.56 = 13,527.86 : x
  2. Step 2: Convert to fraction form
    43,107.75/64,661.56 = 13,527.86/x
  3. Step 3: Cross multiply
    43,107.75x = 64,661.56 × 13,527.86
  4. Step 4: Simplify right side
    43,107.75x = 874,732,173.93
  5. Step 5: Solve for x
    x = 874,732,173.93/43,107.75
  6. Step 6: Final answer
    x = 20,291.76

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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.