Home / 35,388.54-53,082.78-12,015.18

Finding the Fourth Proportional to 35,388.54, 53,082.78 and 12,015.18

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Solution

The fourth proportional to 35,388.54, 53,082.78 and 12,015.18 is: 18,022.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,388.54 : 53,082.78 = 12,015.18 : x
  2. Step 2: Convert to fraction form
    35,388.54/53,082.78 = 12,015.18/x
  3. Step 3: Cross multiply
    35,388.54x = 53,082.78 × 12,015.18
  4. Step 4: Simplify right side
    35,388.54x = 637,799,156.60
  5. Step 5: Solve for x
    x = 637,799,156.60/35,388.54
  6. Step 6: Final answer
    x = 18,022.76

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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.