Home / 31,308.81-46,958.22-11,582.88

Finding the Fourth Proportional to 31,308.81, 46,958.22 and 11,582.88

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Solution

The fourth proportional to 31,308.81, 46,958.22 and 11,582.88 is: 17,372.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,308.81 : 46,958.22 = 11,582.88 : x
  2. Step 2: Convert to fraction form
    31,308.81/46,958.22 = 11,582.88/x
  3. Step 3: Cross multiply
    31,308.81x = 46,958.22 × 11,582.88
  4. Step 4: Simplify right side
    31,308.81x = 543,911,427.27
  5. Step 5: Solve for x
    x = 543,911,427.27/31,308.81
  6. Step 6: Final answer
    x = 17,372.47

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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.