Home / 39,913.50-55,080.99-22,009.15

Finding the Fourth Proportional to 39,913.50, 55,080.99 and 22,009.15

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Solution

The fourth proportional to 39,913.50, 55,080.99 and 22,009.15 is: 30,372.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,913.50 : 55,080.99 = 22,009.15 : x
  2. Step 2: Convert to fraction form
    39,913.50/55,080.99 = 22,009.15/x
  3. Step 3: Cross multiply
    39,913.50x = 55,080.99 × 22,009.15
  4. Step 4: Simplify right side
    39,913.50x = 1,212,285,771.06
  5. Step 5: Solve for x
    x = 1,212,285,771.06/39,913.50
  6. Step 6: Final answer
    x = 30,372.83

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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.