Home / 30,847.49-46,289.73-13,317.30

Finding the Fourth Proportional to 30,847.49, 46,289.73 and 13,317.30

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Solution

The fourth proportional to 30,847.49, 46,289.73 and 13,317.30 is: 19,983.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,847.49 : 46,289.73 = 13,317.30 : x
  2. Step 2: Convert to fraction form
    30,847.49/46,289.73 = 13,317.30/x
  3. Step 3: Cross multiply
    30,847.49x = 46,289.73 × 13,317.30
  4. Step 4: Simplify right side
    30,847.49x = 616,454,221.33
  5. Step 5: Solve for x
    x = 616,454,221.33/30,847.49
  6. Step 6: Final answer
    x = 19,983.94

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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.