Home / 39,028.40-53,858-22,033.28

Finding the Fourth Proportional to 39,028.40, 53,858 and 22,033.28

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Solution

The fourth proportional to 39,028.40, 53,858 and 22,033.28 is: 30,405.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,028.40 : 53,858 = 22,033.28 : x
  2. Step 2: Convert to fraction form
    39,028.40/53,858 = 22,033.28/x
  3. Step 3: Cross multiply
    39,028.40x = 53,858 × 22,033.28
  4. Step 4: Simplify right side
    39,028.40x = 1,186,668,394.24
  5. Step 5: Solve for x
    x = 1,186,668,394.24/39,028.40
  6. Step 6: Final answer
    x = 30,405.25

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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.