Home / 36,909.14-50,938.88-20,996.08

Finding the Fourth Proportional to 36,909.14, 50,938.88 and 20,996.08

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Solution

The fourth proportional to 36,909.14, 50,938.88 and 20,996.08 is: 28,977.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,909.14 : 50,938.88 = 20,996.08 : x
  2. Step 2: Convert to fraction form
    36,909.14/50,938.88 = 20,996.08/x
  3. Step 3: Cross multiply
    36,909.14x = 50,938.88 × 20,996.08
  4. Step 4: Simplify right side
    36,909.14x = 1,069,516,567.26
  5. Step 5: Solve for x
    x = 1,069,516,567.26/36,909.14
  6. Step 6: Final answer
    x = 28,977.02

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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.