Home / 36,076.40-49,783.98-20,968.34

Finding the Fourth Proportional to 36,076.40, 49,783.98 and 20,968.34

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Solution

The fourth proportional to 36,076.40, 49,783.98 and 20,968.34 is: 28,935.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,076.40 : 49,783.98 = 20,968.34 : x
  2. Step 2: Convert to fraction form
    36,076.40/49,783.98 = 20,968.34/x
  3. Step 3: Cross multiply
    36,076.40x = 49,783.98 × 20,968.34
  4. Step 4: Simplify right side
    36,076.40x = 1,043,887,419.19
  5. Step 5: Solve for x
    x = 1,043,887,419.19/36,076.40
  6. Step 6: Final answer
    x = 28,935.47

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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.