Home / 31,536.56-43,520.13-18,112.02

Finding the Fourth Proportional to 31,536.56, 43,520.13 and 18,112.02

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Solution

The fourth proportional to 31,536.56, 43,520.13 and 18,112.02 is: 24,994.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,536.56 : 43,520.13 = 18,112.02 : x
  2. Step 2: Convert to fraction form
    31,536.56/43,520.13 = 18,112.02/x
  3. Step 3: Cross multiply
    31,536.56x = 43,520.13 × 18,112.02
  4. Step 4: Simplify right side
    31,536.56x = 788,237,464.96
  5. Step 5: Solve for x
    x = 788,237,464.96/31,536.56
  6. Step 6: Final answer
    x = 24,994.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.