Home / 31,665.56-47,464.80-11,935.64

Finding the Fourth Proportional to 31,665.56, 47,464.80 and 11,935.64

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Solution

The fourth proportional to 31,665.56, 47,464.80 and 11,935.64 is: 17,890.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,665.56 : 47,464.80 = 11,935.64 : x
  2. Step 2: Convert to fraction form
    31,665.56/47,464.80 = 11,935.64/x
  3. Step 3: Cross multiply
    31,665.56x = 47,464.80 × 11,935.64
  4. Step 4: Simplify right side
    31,665.56x = 566,522,765.47
  5. Step 5: Solve for x
    x = 566,522,765.47/31,665.56
  6. Step 6: Final answer
    x = 17,890.82

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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.