Home / 43,009.60-64,464.88-16,692.08

Finding the Fourth Proportional to 43,009.60, 64,464.88 and 16,692.08

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Solution

The fourth proportional to 43,009.60, 64,464.88 and 16,692.08 is: 25,018.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,009.60 : 64,464.88 = 16,692.08 : x
  2. Step 2: Convert to fraction form
    43,009.60/64,464.88 = 16,692.08/x
  3. Step 3: Cross multiply
    43,009.60x = 64,464.88 × 16,692.08
  4. Step 4: Simplify right side
    43,009.60x = 1,076,052,934.15
  5. Step 5: Solve for x
    x = 1,076,052,934.15/43,009.60
  6. Step 6: Final answer
    x = 25,018.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.