Home / 30,223.22-45,288.66-12,683.48

Finding the Fourth Proportional to 30,223.22, 45,288.66 and 12,683.48

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Solution

The fourth proportional to 30,223.22, 45,288.66 and 12,683.48 is: 19,005.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,223.22 : 45,288.66 = 12,683.48 : x
  2. Step 2: Convert to fraction form
    30,223.22/45,288.66 = 12,683.48/x
  3. Step 3: Cross multiply
    30,223.22x = 45,288.66 × 12,683.48
  4. Step 4: Simplify right side
    30,223.22x = 574,417,813.34
  5. Step 5: Solve for x
    x = 574,417,813.34/30,223.22
  6. Step 6: Final answer
    x = 19,005.84

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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.