Home / 39,912.74-55,079.73-22,007.40

Finding the Fourth Proportional to 39,912.74, 55,079.73 and 22,007.40

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Solution

The fourth proportional to 39,912.74, 55,079.73 and 22,007.40 is: 30,370.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,912.74 : 55,079.73 = 22,007.40 : x
  2. Step 2: Convert to fraction form
    39,912.74/55,079.73 = 22,007.40/x
  3. Step 3: Cross multiply
    39,912.74x = 55,079.73 × 22,007.40
  4. Step 4: Simplify right side
    39,912.74x = 1,212,161,650.00
  5. Step 5: Solve for x
    x = 1,212,161,650.00/39,912.74
  6. Step 6: Final answer
    x = 30,370.30

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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.