Home / 20,035.32-30,072.50-9,654.36

Finding the Fourth Proportional to 20,035.32, 30,072.50 and 9,654.36

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Solution

The fourth proportional to 20,035.32, 30,072.50 and 9,654.36 is: 14,490.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,035.32 : 30,072.50 = 9,654.36 : x
  2. Step 2: Convert to fraction form
    20,035.32/30,072.50 = 9,654.36/x
  3. Step 3: Cross multiply
    20,035.32x = 30,072.50 × 9,654.36
  4. Step 4: Simplify right side
    20,035.32x = 290,330,692.83
  5. Step 5: Solve for x
    x = 290,330,692.83/20,035.32
  6. Step 6: Final answer
    x = 14,490.94

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1.5x scale

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.