Home / 39,009.57-53,840.49-22,242.57

Finding the Fourth Proportional to 39,009.57, 53,840.49 and 22,242.57

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Solution

The fourth proportional to 39,009.57, 53,840.49 and 22,242.57 is: 30,698.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,009.57 : 53,840.49 = 22,242.57 : x
  2. Step 2: Convert to fraction form
    39,009.57/53,840.49 = 22,242.57/x
  3. Step 3: Cross multiply
    39,009.57x = 53,840.49 × 22,242.57
  4. Step 4: Simplify right side
    39,009.57x = 1,197,550,867.66
  5. Step 5: Solve for x
    x = 1,197,550,867.66/39,009.57
  6. Step 6: Final answer
    x = 30,698.90

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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.