Home / 39,913.37-55,080.83-22,009.03

Finding the Fourth Proportional to 39,913.37, 55,080.83 and 22,009.03

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Solution

The fourth proportional to 39,913.37, 55,080.83 and 22,009.03 is: 30,372.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,913.37 : 55,080.83 = 22,009.03 : x
  2. Step 2: Convert to fraction form
    39,913.37/55,080.83 = 22,009.03/x
  3. Step 3: Cross multiply
    39,913.37x = 55,080.83 × 22,009.03
  4. Step 4: Simplify right side
    39,913.37x = 1,212,275,639.89
  5. Step 5: Solve for x
    x = 1,212,275,639.89/39,913.37
  6. Step 6: Final answer
    x = 30,372.67

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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.