Home / 31,118.49-46,724.32-17,806.51

Finding the Fourth Proportional to 31,118.49, 46,724.32 and 17,806.51

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Solution

The fourth proportional to 31,118.49, 46,724.32 and 17,806.51 is: 26,736.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,118.49 : 46,724.32 = 17,806.51 : x
  2. Step 2: Convert to fraction form
    31,118.49/46,724.32 = 17,806.51/x
  3. Step 3: Cross multiply
    31,118.49x = 46,724.32 × 17,806.51
  4. Step 4: Simplify right side
    31,118.49x = 831,996,837.70
  5. Step 5: Solve for x
    x = 831,996,837.70/31,118.49
  6. Step 6: Final answer
    x = 26,736.42

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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.