Home / 31,268.48-46,935.12-20,952.32

Finding the Fourth Proportional to 31,268.48, 46,935.12 and 20,952.32

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Solution

The fourth proportional to 31,268.48, 46,935.12 and 20,952.32 is: 31,450.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,268.48 : 46,935.12 = 20,952.32 : x
  2. Step 2: Convert to fraction form
    31,268.48/46,935.12 = 20,952.32/x
  3. Step 3: Cross multiply
    31,268.48x = 46,935.12 × 20,952.32
  4. Step 4: Simplify right side
    31,268.48x = 983,399,653.48
  5. Step 5: Solve for x
    x = 983,399,653.48/31,268.48
  6. Step 6: Final answer
    x = 31,450.19

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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.