Home / 53,451.36-80,176.19-18,391.32

Finding the Fourth Proportional to 53,451.36, 80,176.19 and 18,391.32

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Solution

The fourth proportional to 53,451.36, 80,176.19 and 18,391.32 is: 27,586.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,451.36 : 80,176.19 = 18,391.32 : x
  2. Step 2: Convert to fraction form
    53,451.36/80,176.19 = 18,391.32/x
  3. Step 3: Cross multiply
    53,451.36x = 80,176.19 × 18,391.32
  4. Step 4: Simplify right side
    53,451.36x = 1,474,545,565.79
  5. Step 5: Solve for x
    x = 1,474,545,565.79/53,451.36
  6. Step 6: Final answer
    x = 27,586.68

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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.