Home / 31,566.60-43,576.25-20,240.37

Finding the Fourth Proportional to 31,566.60, 43,576.25 and 20,240.37

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Solution

The fourth proportional to 31,566.60, 43,576.25 and 20,240.37 is: 27,940.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,566.60 : 43,576.25 = 20,240.37 : x
  2. Step 2: Convert to fraction form
    31,566.60/43,576.25 = 20,240.37/x
  3. Step 3: Cross multiply
    31,566.60x = 43,576.25 × 20,240.37
  4. Step 4: Simplify right side
    31,566.60x = 881,999,322.01
  5. Step 5: Solve for x
    x = 881,999,322.01/31,566.60
  6. Step 6: Final answer
    x = 27,940.90

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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.