Home / 36,646.40-50,571.10-20,513.90

Finding the Fourth Proportional to 36,646.40, 50,571.10 and 20,513.90

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Solution

The fourth proportional to 36,646.40, 50,571.10 and 20,513.90 is: 28,308.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,646.40 : 50,571.10 = 20,513.90 : x
  2. Step 2: Convert to fraction form
    36,646.40/50,571.10 = 20,513.90/x
  3. Step 3: Cross multiply
    36,646.40x = 50,571.10 × 20,513.90
  4. Step 4: Simplify right side
    36,646.40x = 1,037,410,488.29
  5. Step 5: Solve for x
    x = 1,037,410,488.29/36,646.40
  6. Step 6: Final answer
    x = 28,308.66

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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.