Home / 53,381.52-80,086.86-15,943.32

Finding the Fourth Proportional to 53,381.52, 80,086.86 and 15,943.32

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Solution

The fourth proportional to 53,381.52, 80,086.86 and 15,943.32 is: 23,919.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,381.52 : 80,086.86 = 15,943.32 : x
  2. Step 2: Convert to fraction form
    53,381.52/80,086.86 = 15,943.32/x
  3. Step 3: Cross multiply
    53,381.52x = 80,086.86 × 15,943.32
  4. Step 4: Simplify right side
    53,381.52x = 1,276,850,436.78
  5. Step 5: Solve for x
    x = 1,276,850,436.78/53,381.52
  6. Step 6: Final answer
    x = 23,919.33

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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.