Home / 36,886.56-50,907.78-20,973.40

Finding the Fourth Proportional to 36,886.56, 50,907.78 and 20,973.40

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Solution

The fourth proportional to 36,886.56, 50,907.78 and 20,973.40 is: 28,945.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,886.56 : 50,907.78 = 20,973.40 : x
  2. Step 2: Convert to fraction form
    36,886.56/50,907.78 = 20,973.40/x
  3. Step 3: Cross multiply
    36,886.56x = 50,907.78 × 20,973.40
  4. Step 4: Simplify right side
    36,886.56x = 1,067,709,128.19
  5. Step 5: Solve for x
    x = 1,067,709,128.19/36,886.56
  6. Step 6: Final answer
    x = 28,945.75

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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.