Home / 47,692.20-71,538.30-28,009.20

Finding the Fourth Proportional to 47,692.20, 71,538.30 and 28,009.20

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Solution

The fourth proportional to 47,692.20, 71,538.30 and 28,009.20 is: 42,013.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,692.20 : 71,538.30 = 28,009.20 : x
  2. Step 2: Convert to fraction form
    47,692.20/71,538.30 = 28,009.20/x
  3. Step 3: Cross multiply
    47,692.20x = 71,538.30 × 28,009.20
  4. Step 4: Simplify right side
    47,692.20x = 2,003,730,552.36
  5. Step 5: Solve for x
    x = 2,003,730,552.36/47,692.20
  6. Step 6: Final answer
    x = 42,013.80

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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.