Home / 39,768.08-59,652.12-18,692.64

Finding the Fourth Proportional to 39,768.08, 59,652.12 and 18,692.64

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Solution

The fourth proportional to 39,768.08, 59,652.12 and 18,692.64 is: 28,038.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,768.08 : 59,652.12 = 18,692.64 : x
  2. Step 2: Convert to fraction form
    39,768.08/59,652.12 = 18,692.64/x
  3. Step 3: Cross multiply
    39,768.08x = 59,652.12 × 18,692.64
  4. Step 4: Simplify right side
    39,768.08x = 1,115,055,604.40
  5. Step 5: Solve for x
    x = 1,115,055,604.40/39,768.08
  6. Step 6: Final answer
    x = 28,038.96

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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.