Home / 37,122.64-51,224.36-20,992.16

Finding the Fourth Proportional to 37,122.64, 51,224.36 and 20,992.16

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Solution

The fourth proportional to 37,122.64, 51,224.36 and 20,992.16 is: 28,966.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,122.64 : 51,224.36 = 20,992.16 : x
  2. Step 2: Convert to fraction form
    37,122.64/51,224.36 = 20,992.16/x
  3. Step 3: Cross multiply
    37,122.64x = 51,224.36 × 20,992.16
  4. Step 4: Simplify right side
    37,122.64x = 1,075,309,984.12
  5. Step 5: Solve for x
    x = 1,075,309,984.12/37,122.64
  6. Step 6: Final answer
    x = 28,966.42

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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.