Home / 39,907.64-55,071.62-22,002.24

Finding the Fourth Proportional to 39,907.64, 55,071.62 and 22,002.24

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Solution

The fourth proportional to 39,907.64, 55,071.62 and 22,002.24 is: 30,362.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,907.64 : 55,071.62 = 22,002.24 : x
  2. Step 2: Convert to fraction form
    39,907.64/55,071.62 = 22,002.24/x
  3. Step 3: Cross multiply
    39,907.64x = 55,071.62 × 22,002.24
  4. Step 4: Simplify right side
    39,907.64x = 1,211,699,000.43
  5. Step 5: Solve for x
    x = 1,211,699,000.43/39,907.64
  6. Step 6: Final answer
    x = 30,362.58

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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.