Home / 47,692.08-71,471.64-40,635.36

Finding the Fourth Proportional to 47,692.08, 71,471.64 and 40,635.36

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Solution

The fourth proportional to 47,692.08, 71,471.64 and 40,635.36 is: 60,896.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,692.08 : 71,471.64 = 40,635.36 : x
  2. Step 2: Convert to fraction form
    47,692.08/71,471.64 = 40,635.36/x
  3. Step 3: Cross multiply
    47,692.08x = 71,471.64 × 40,635.36
  4. Step 4: Simplify right side
    47,692.08x = 2,904,275,821.19
  5. Step 5: Solve for x
    x = 2,904,275,821.19/47,692.08
  6. Step 6: Final answer
    x = 60,896.40

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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.