Home / 39,907.62-55,071.63-22,002.30

Finding the Fourth Proportional to 39,907.62, 55,071.63 and 22,002.30

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Solution

The fourth proportional to 39,907.62, 55,071.63 and 22,002.30 is: 30,362.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,907.62 : 55,071.63 = 22,002.30 : x
  2. Step 2: Convert to fraction form
    39,907.62/55,071.63 = 22,002.30/x
  3. Step 3: Cross multiply
    39,907.62x = 55,071.63 × 22,002.30
  4. Step 4: Simplify right side
    39,907.62x = 1,211,702,524.75
  5. Step 5: Solve for x
    x = 1,211,702,524.75/39,907.62
  6. Step 6: Final answer
    x = 30,362.69

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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.