Home / 31,491.21-43,460.93-23,519.59

Finding the Fourth Proportional to 31,491.21, 43,460.93 and 23,519.59

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Solution

The fourth proportional to 31,491.21, 43,460.93 and 23,519.59 is: 32,459.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,491.21 : 43,460.93 = 23,519.59 : x
  2. Step 2: Convert to fraction form
    31,491.21/43,460.93 = 23,519.59/x
  3. Step 3: Cross multiply
    31,491.21x = 43,460.93 × 23,519.59
  4. Step 4: Simplify right side
    31,491.21x = 1,022,183,313.42
  5. Step 5: Solve for x
    x = 1,022,183,313.42/31,491.21
  6. Step 6: Final answer
    x = 32,459.33

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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.