Home / 31,579.64-43,583.36-18,151.48

Finding the Fourth Proportional to 31,579.64, 43,583.36 and 18,151.48

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Solution

The fourth proportional to 31,579.64, 43,583.36 and 18,151.48 is: 25,051.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,579.64 : 43,583.36 = 18,151.48 : x
  2. Step 2: Convert to fraction form
    31,579.64/43,583.36 = 18,151.48/x
  3. Step 3: Cross multiply
    31,579.64x = 43,583.36 × 18,151.48
  4. Step 4: Simplify right side
    31,579.64x = 791,102,487.37
  5. Step 5: Solve for x
    x = 791,102,487.37/31,579.64
  6. Step 6: Final answer
    x = 25,051.03

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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.