Home / 45,004.14-67,506.78-13,839.36

Finding the Fourth Proportional to 45,004.14, 67,506.78 and 13,839.36

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Solution

The fourth proportional to 45,004.14, 67,506.78 and 13,839.36 is: 20,759.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,004.14 : 67,506.78 = 13,839.36 : x
  2. Step 2: Convert to fraction form
    45,004.14/67,506.78 = 13,839.36/x
  3. Step 3: Cross multiply
    45,004.14x = 67,506.78 × 13,839.36
  4. Step 4: Simplify right side
    45,004.14x = 934,250,630.86
  5. Step 5: Solve for x
    x = 934,250,630.86/45,004.14
  6. Step 6: Final answer
    x = 20,759.22

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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.