Home / 36,877.10-50,890.37-20,962.55

Finding the Fourth Proportional to 36,877.10, 50,890.37 and 20,962.55

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Solution

The fourth proportional to 36,877.10, 50,890.37 and 20,962.55 is: 28,928.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,877.10 : 50,890.37 = 20,962.55 : x
  2. Step 2: Convert to fraction form
    36,877.10/50,890.37 = 20,962.55/x
  3. Step 3: Cross multiply
    36,877.10x = 50,890.37 × 20,962.55
  4. Step 4: Simplify right side
    36,877.10x = 1,066,791,948.06
  5. Step 5: Solve for x
    x = 1,066,791,948.06/36,877.10
  6. Step 6: Final answer
    x = 28,928.31

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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.