Home / 39,908.96-55,071.88-22,004.16

Finding the Fourth Proportional to 39,908.96, 55,071.88 and 22,004.16

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Solution

The fourth proportional to 39,908.96, 55,071.88 and 22,004.16 is: 30,364.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,908.96 : 55,071.88 = 22,004.16 : x
  2. Step 2: Convert to fraction form
    39,908.96/55,071.88 = 22,004.16/x
  3. Step 3: Cross multiply
    39,908.96x = 55,071.88 × 22,004.16
  4. Step 4: Simplify right side
    39,908.96x = 1,211,810,459.02
  5. Step 5: Solve for x
    x = 1,211,810,459.02/39,908.96
  6. Step 6: Final answer
    x = 30,364.37

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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.