Home / 39,021.43-53,852.01-22,028.55

Finding the Fourth Proportional to 39,021.43, 53,852.01 and 22,028.55

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Solution

The fourth proportional to 39,021.43, 53,852.01 and 22,028.55 is: 30,400.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,021.43 : 53,852.01 = 22,028.55 : x
  2. Step 2: Convert to fraction form
    39,021.43/53,852.01 = 22,028.55/x
  3. Step 3: Cross multiply
    39,021.43x = 53,852.01 × 22,028.55
  4. Step 4: Simplify right side
    39,021.43x = 1,186,281,694.89
  5. Step 5: Solve for x
    x = 1,186,281,694.89/39,021.43
  6. Step 6: Final answer
    x = 30,400.77

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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.