Home / 31,187.31-46,779.44-11,464.62

Finding the Fourth Proportional to 31,187.31, 46,779.44 and 11,464.62

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Solution

The fourth proportional to 31,187.31, 46,779.44 and 11,464.62 is: 17,196.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,187.31 : 46,779.44 = 11,464.62 : x
  2. Step 2: Convert to fraction form
    31,187.31/46,779.44 = 11,464.62/x
  3. Step 3: Cross multiply
    31,187.31x = 46,779.44 × 11,464.62
  4. Step 4: Simplify right side
    31,187.31x = 536,308,446.09
  5. Step 5: Solve for x
    x = 536,308,446.09/31,187.31
  6. Step 6: Final answer
    x = 17,196.37

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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.