Home / 39,150.75-54,028.04-22,386.99

Finding the Fourth Proportional to 39,150.75, 54,028.04 and 22,386.99

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Solution

The fourth proportional to 39,150.75, 54,028.04 and 22,386.99 is: 30,894.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,150.75 : 54,028.04 = 22,386.99 : x
  2. Step 2: Convert to fraction form
    39,150.75/54,028.04 = 22,386.99/x
  3. Step 3: Cross multiply
    39,150.75x = 54,028.04 × 22,386.99
  4. Step 4: Simplify right side
    39,150.75x = 1,209,525,079.26
  5. Step 5: Solve for x
    x = 1,209,525,079.26/39,150.75
  6. Step 6: Final answer
    x = 30,894.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.