Home / 30,483.27-45,717.35-20,683.35

Finding the Fourth Proportional to 30,483.27, 45,717.35 and 20,683.35

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Solution

The fourth proportional to 30,483.27, 45,717.35 and 20,683.35 is: 31,019.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,483.27 : 45,717.35 = 20,683.35 : x
  2. Step 2: Convert to fraction form
    30,483.27/45,717.35 = 20,683.35/x
  3. Step 3: Cross multiply
    30,483.27x = 45,717.35 × 20,683.35
  4. Step 4: Simplify right side
    30,483.27x = 945,587,847.71
  5. Step 5: Solve for x
    x = 945,587,847.71/30,483.27
  6. Step 6: Final answer
    x = 31,019.90

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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.