Home / 39,122.24-58,662.12-13,809.08

Finding the Fourth Proportional to 39,122.24, 58,662.12 and 13,809.08

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Solution

The fourth proportional to 39,122.24, 58,662.12 and 13,809.08 is: 20,706.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,122.24 : 58,662.12 = 13,809.08 : x
  2. Step 2: Convert to fraction form
    39,122.24/58,662.12 = 13,809.08/x
  3. Step 3: Cross multiply
    39,122.24x = 58,662.12 × 13,809.08
  4. Step 4: Simplify right side
    39,122.24x = 810,069,908.05
  5. Step 5: Solve for x
    x = 810,069,908.05/39,122.24
  6. Step 6: Final answer
    x = 20,706.12

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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.