Home / 33,206.31-49,813.78-13,485.51

Finding the Fourth Proportional to 33,206.31, 49,813.78 and 13,485.51

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Solution

The fourth proportional to 33,206.31, 49,813.78 and 13,485.51 is: 20,230.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,206.31 : 49,813.78 = 13,485.51 : x
  2. Step 2: Convert to fraction form
    33,206.31/49,813.78 = 13,485.51/x
  3. Step 3: Cross multiply
    33,206.31x = 49,813.78 × 13,485.51
  4. Step 4: Simplify right side
    33,206.31x = 671,763,945.55
  5. Step 5: Solve for x
    x = 671,763,945.55/33,206.31
  6. Step 6: Final answer
    x = 20,230.01

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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.