Home / 31,464.32-43,421.44-17,317.76

Finding the Fourth Proportional to 31,464.32, 43,421.44 and 17,317.76

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Solution

The fourth proportional to 31,464.32, 43,421.44 and 17,317.76 is: 23,898.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,464.32 : 43,421.44 = 17,317.76 : x
  2. Step 2: Convert to fraction form
    31,464.32/43,421.44 = 17,317.76/x
  3. Step 3: Cross multiply
    31,464.32x = 43,421.44 × 17,317.76
  4. Step 4: Simplify right side
    31,464.32x = 751,962,076.77
  5. Step 5: Solve for x
    x = 751,962,076.77/31,464.32
  6. Step 6: Final answer
    x = 23,898.88

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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.