Home / 39,220.36-58,782.30-18,131.84

Finding the Fourth Proportional to 39,220.36, 58,782.30 and 18,131.84

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Solution

The fourth proportional to 39,220.36, 58,782.30 and 18,131.84 is: 27,175.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,220.36 : 58,782.30 = 18,131.84 : x
  2. Step 2: Convert to fraction form
    39,220.36/58,782.30 = 18,131.84/x
  3. Step 3: Cross multiply
    39,220.36x = 58,782.30 × 18,131.84
  4. Step 4: Simplify right side
    39,220.36x = 1,065,831,258.43
  5. Step 5: Solve for x
    x = 1,065,831,258.43/39,220.36
  6. Step 6: Final answer
    x = 27,175.46

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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.