Home / 53,440.24-80,160.28-21,433.75

Finding the Fourth Proportional to 53,440.24, 80,160.28 and 21,433.75

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Solution

The fourth proportional to 53,440.24, 80,160.28 and 21,433.75 is: 32,150.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,440.24 : 80,160.28 = 21,433.75 : x
  2. Step 2: Convert to fraction form
    53,440.24/80,160.28 = 21,433.75/x
  3. Step 3: Cross multiply
    53,440.24x = 80,160.28 × 21,433.75
  4. Step 4: Simplify right side
    53,440.24x = 1,718,134,893.48
  5. Step 5: Solve for x
    x = 1,718,134,893.48/53,440.24
  6. Step 6: Final answer
    x = 32,150.59

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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.