Home / 31,206.36-46,865.92-28,703.04

Finding the Fourth Proportional to 31,206.36, 46,865.92 and 28,703.04

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Solution

The fourth proportional to 31,206.36, 46,865.92 and 28,703.04 is: 43,106.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,206.36 : 46,865.92 = 28,703.04 : x
  2. Step 2: Convert to fraction form
    31,206.36/46,865.92 = 28,703.04/x
  3. Step 3: Cross multiply
    31,206.36x = 46,865.92 × 28,703.04
  4. Step 4: Simplify right side
    31,206.36x = 1,345,194,376.40
  5. Step 5: Solve for x
    x = 1,345,194,376.40/31,206.36
  6. Step 6: Final answer
    x = 43,106.42

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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.