Home / 52,983.18-79,474.80-13,540.33

Finding the Fourth Proportional to 52,983.18, 79,474.80 and 13,540.33

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Solution

The fourth proportional to 52,983.18, 79,474.80 and 13,540.33 is: 20,310.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,983.18 : 79,474.80 = 13,540.33 : x
  2. Step 2: Convert to fraction form
    52,983.18/79,474.80 = 13,540.33/x
  3. Step 3: Cross multiply
    52,983.18x = 79,474.80 × 13,540.33
  4. Step 4: Simplify right side
    52,983.18x = 1,076,115,018.68
  5. Step 5: Solve for x
    x = 1,076,115,018.68/52,983.18
  6. Step 6: Final answer
    x = 20,310.50

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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.