Home / 53,728.89-80,572.44-18,180.69

Finding the Fourth Proportional to 53,728.89, 80,572.44 and 18,180.69

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Solution

The fourth proportional to 53,728.89, 80,572.44 and 18,180.69 is: 27,263.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,728.89 : 80,572.44 = 18,180.69 : x
  2. Step 2: Convert to fraction form
    53,728.89/80,572.44 = 18,180.69/x
  3. Step 3: Cross multiply
    53,728.89x = 80,572.44 × 18,180.69
  4. Step 4: Simplify right side
    53,728.89x = 1,464,862,554.18
  5. Step 5: Solve for x
    x = 1,464,862,554.18/53,728.89
  6. Step 6: Final answer
    x = 27,263.96

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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.