Home / 35,916.21-49,564.37-20,817.63

Finding the Fourth Proportional to 35,916.21, 49,564.37 and 20,817.63

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Solution

The fourth proportional to 35,916.21, 49,564.37 and 20,817.63 is: 28,728.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,916.21 : 49,564.37 = 20,817.63 : x
  2. Step 2: Convert to fraction form
    35,916.21/49,564.37 = 20,817.63/x
  3. Step 3: Cross multiply
    35,916.21x = 49,564.37 × 20,817.63
  4. Step 4: Simplify right side
    35,916.21x = 1,031,812,487.84
  5. Step 5: Solve for x
    x = 1,031,812,487.84/35,916.21
  6. Step 6: Final answer
    x = 28,728.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.