Home / 39,818.30-59,764.37-20,110.68

Finding the Fourth Proportional to 39,818.30, 59,764.37 and 20,110.68

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Solution

The fourth proportional to 39,818.30, 59,764.37 and 20,110.68 is: 30,184.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,818.30 : 59,764.37 = 20,110.68 : x
  2. Step 2: Convert to fraction form
    39,818.30/59,764.37 = 20,110.68/x
  3. Step 3: Cross multiply
    39,818.30x = 59,764.37 × 20,110.68
  4. Step 4: Simplify right side
    39,818.30x = 1,201,902,019.92
  5. Step 5: Solve for x
    x = 1,201,902,019.92/39,818.30
  6. Step 6: Final answer
    x = 30,184.67

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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.