Home / 36,699.08-50,645.67-20,783.30

Finding the Fourth Proportional to 36,699.08, 50,645.67 and 20,783.30

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Solution

The fourth proportional to 36,699.08, 50,645.67 and 20,783.30 is: 28,681.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,699.08 : 50,645.67 = 20,783.30 : x
  2. Step 2: Convert to fraction form
    36,699.08/50,645.67 = 20,783.30/x
  3. Step 3: Cross multiply
    36,699.08x = 50,645.67 × 20,783.30
  4. Step 4: Simplify right side
    36,699.08x = 1,052,584,153.31
  5. Step 5: Solve for x
    x = 1,052,584,153.31/36,699.08
  6. Step 6: Final answer
    x = 28,681.49

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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.