Home / 39,920.36-55,089.33-22,017.02

Finding the Fourth Proportional to 39,920.36, 55,089.33 and 22,017.02

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Solution

The fourth proportional to 39,920.36, 55,089.33 and 22,017.02 is: 30,383.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,920.36 : 55,089.33 = 22,017.02 : x
  2. Step 2: Convert to fraction form
    39,920.36/55,089.33 = 22,017.02/x
  3. Step 3: Cross multiply
    39,920.36x = 55,089.33 × 22,017.02
  4. Step 4: Simplify right side
    39,920.36x = 1,212,902,880.40
  5. Step 5: Solve for x
    x = 1,212,902,880.40/39,920.36
  6. Step 6: Final answer
    x = 30,383.06

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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.