Home / 30,620.23-45,950.90-10,898.96

Finding the Fourth Proportional to 30,620.23, 45,950.90 and 10,898.96

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Solution

The fourth proportional to 30,620.23, 45,950.90 and 10,898.96 is: 16,355.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,620.23 : 45,950.90 = 10,898.96 : x
  2. Step 2: Convert to fraction form
    30,620.23/45,950.90 = 10,898.96/x
  3. Step 3: Cross multiply
    30,620.23x = 45,950.90 × 10,898.96
  4. Step 4: Simplify right side
    30,620.23x = 500,816,736.81
  5. Step 5: Solve for x
    x = 500,816,736.81/30,620.23
  6. Step 6: Final answer
    x = 16,355.75

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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.