Home / 20,711.35-31,050.01-8,226.01

Finding the Fourth Proportional to 20,711.35, 31,050.01 and 8,226.01

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Solution

The fourth proportional to 20,711.35, 31,050.01 and 8,226.01 is: 12,332.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,711.35 : 31,050.01 = 8,226.01 : x
  2. Step 2: Convert to fraction form
    20,711.35/31,050.01 = 8,226.01/x
  3. Step 3: Cross multiply
    20,711.35x = 31,050.01 × 8,226.01
  4. Step 4: Simplify right side
    20,711.35x = 255,417,692.76
  5. Step 5: Solve for x
    x = 255,417,692.76/20,711.35
  6. Step 6: Final answer
    x = 12,332.26

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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.