Home / 46,855.14-70,311.87-20,581.98

Finding the Fourth Proportional to 46,855.14, 70,311.87 and 20,581.98

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Solution

The fourth proportional to 46,855.14, 70,311.87 and 20,581.98 is: 30,885.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,855.14 : 70,311.87 = 20,581.98 : x
  2. Step 2: Convert to fraction form
    46,855.14/70,311.87 = 20,581.98/x
  3. Step 3: Cross multiply
    46,855.14x = 70,311.87 × 20,581.98
  4. Step 4: Simplify right side
    46,855.14x = 1,447,157,502.10
  5. Step 5: Solve for x
    x = 1,447,157,502.10/46,855.14
  6. Step 6: Final answer
    x = 30,885.78

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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.