Home / 53,591.40-80,411.10-18,556.20

Finding the Fourth Proportional to 53,591.40, 80,411.10 and 18,556.20

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Solution

The fourth proportional to 53,591.40, 80,411.10 and 18,556.20 is: 27,842.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,591.40 : 80,411.10 = 18,556.20 : x
  2. Step 2: Convert to fraction form
    53,591.40/80,411.10 = 18,556.20/x
  3. Step 3: Cross multiply
    53,591.40x = 80,411.10 × 18,556.20
  4. Step 4: Simplify right side
    53,591.40x = 1,492,124,453.82
  5. Step 5: Solve for x
    x = 1,492,124,453.82/53,591.40
  6. Step 6: Final answer
    x = 27,842.61

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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.