Home / 53,450.36-80,174.69-18,390.32

Finding the Fourth Proportional to 53,450.36, 80,174.69 and 18,390.32

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Solution

The fourth proportional to 53,450.36, 80,174.69 and 18,390.32 is: 27,585.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,450.36 : 80,174.69 = 18,390.32 : x
  2. Step 2: Convert to fraction form
    53,450.36/80,174.69 = 18,390.32/x
  3. Step 3: Cross multiply
    53,450.36x = 80,174.69 × 18,390.32
  4. Step 4: Simplify right side
    53,450.36x = 1,474,437,850.10
  5. Step 5: Solve for x
    x = 1,474,437,850.10/53,450.36
  6. Step 6: Final answer
    x = 27,585.18

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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.