Home / 39,907.96-55,070.50-22,003.16

Finding the Fourth Proportional to 39,907.96, 55,070.50 and 22,003.16

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Solution

The fourth proportional to 39,907.96, 55,070.50 and 22,003.16 is: 30,362.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,907.96 : 55,070.50 = 22,003.16 : x
  2. Step 2: Convert to fraction form
    39,907.96/55,070.50 = 22,003.16/x
  3. Step 3: Cross multiply
    39,907.96x = 55,070.50 × 22,003.16
  4. Step 4: Simplify right side
    39,907.96x = 1,211,725,022.78
  5. Step 5: Solve for x
    x = 1,211,725,022.78/39,907.96
  6. Step 6: Final answer
    x = 30,362.99

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Double scale
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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.