Home / 53,905.98-80,859.51-18,846.48

Finding the Fourth Proportional to 53,905.98, 80,859.51 and 18,846.48

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Solution

The fourth proportional to 53,905.98, 80,859.51 and 18,846.48 is: 28,269.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,905.98 : 80,859.51 = 18,846.48 : x
  2. Step 2: Convert to fraction form
    53,905.98/80,859.51 = 18,846.48/x
  3. Step 3: Cross multiply
    53,905.98x = 80,859.51 × 18,846.48
  4. Step 4: Simplify right side
    53,905.98x = 1,523,917,138.02
  5. Step 5: Solve for x
    x = 1,523,917,138.02/53,905.98
  6. Step 6: Final answer
    x = 28,269.91

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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.