Home / 36,155.04-54,240.80-13,968.48

Finding the Fourth Proportional to 36,155.04, 54,240.80 and 13,968.48

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Solution

The fourth proportional to 36,155.04, 54,240.80 and 13,968.48 is: 20,955.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,155.04 : 54,240.80 = 13,968.48 : x
  2. Step 2: Convert to fraction form
    36,155.04/54,240.80 = 13,968.48/x
  3. Step 3: Cross multiply
    36,155.04x = 54,240.80 × 13,968.48
  4. Step 4: Simplify right side
    36,155.04x = 757,661,529.98
  5. Step 5: Solve for x
    x = 757,661,529.98/36,155.04
  6. Step 6: Final answer
    x = 20,955.90

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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.