Home / 30,638.43-45,893.05-14,012.46

Finding the Fourth Proportional to 30,638.43, 45,893.05 and 14,012.46

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Solution

The fourth proportional to 30,638.43, 45,893.05 and 14,012.46 is: 20,989.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,638.43 : 45,893.05 = 14,012.46 : x
  2. Step 2: Convert to fraction form
    30,638.43/45,893.05 = 14,012.46/x
  3. Step 3: Cross multiply
    30,638.43x = 45,893.05 × 14,012.46
  4. Step 4: Simplify right side
    30,638.43x = 643,074,492.37
  5. Step 5: Solve for x
    x = 643,074,492.37/30,638.43
  6. Step 6: Final answer
    x = 20,989.15

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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.