Home / 31,009.05-46,439.64-16,947.99

Finding the Fourth Proportional to 31,009.05, 46,439.64 and 16,947.99

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Solution

The fourth proportional to 31,009.05, 46,439.64 and 16,947.99 is: 25,381.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,009.05 : 46,439.64 = 16,947.99 : x
  2. Step 2: Convert to fraction form
    31,009.05/46,439.64 = 16,947.99/x
  3. Step 3: Cross multiply
    31,009.05x = 46,439.64 × 16,947.99
  4. Step 4: Simplify right side
    31,009.05x = 787,058,554.32
  5. Step 5: Solve for x
    x = 787,058,554.32/31,009.05
  6. Step 6: Final answer
    x = 25,381.58

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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.