Home / 53,107.36-79,661.04-18,072.16

Finding the Fourth Proportional to 53,107.36, 79,661.04 and 18,072.16

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Solution

The fourth proportional to 53,107.36, 79,661.04 and 18,072.16 is: 27,108.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,107.36 : 79,661.04 = 18,072.16 : x
  2. Step 2: Convert to fraction form
    53,107.36/79,661.04 = 18,072.16/x
  3. Step 3: Cross multiply
    53,107.36x = 79,661.04 × 18,072.16
  4. Step 4: Simplify right side
    53,107.36x = 1,439,647,060.65
  5. Step 5: Solve for x
    x = 1,439,647,060.65/53,107.36
  6. Step 6: Final answer
    x = 27,108.24

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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.