Home / 39,014.96-53,840.61-22,022.78

Finding the Fourth Proportional to 39,014.96, 53,840.61 and 22,022.78

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Solution

The fourth proportional to 39,014.96, 53,840.61 and 22,022.78 is: 30,391.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,014.96 : 53,840.61 = 22,022.78 : x
  2. Step 2: Convert to fraction form
    39,014.96/53,840.61 = 22,022.78/x
  3. Step 3: Cross multiply
    39,014.96x = 53,840.61 × 22,022.78
  4. Step 4: Simplify right side
    39,014.96x = 1,185,719,909.10
  5. Step 5: Solve for x
    x = 1,185,719,909.10/39,014.96
  6. Step 6: Final answer
    x = 30,391.42

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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.