Home / 35,388.84-53,091.47-12,015.28

Finding the Fourth Proportional to 35,388.84, 53,091.47 and 12,015.28

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Solution

The fourth proportional to 35,388.84, 53,091.47 and 12,015.28 is: 18,025.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,388.84 : 53,091.47 = 12,015.28 : x
  2. Step 2: Convert to fraction form
    35,388.84/53,091.47 = 12,015.28/x
  3. Step 3: Cross multiply
    35,388.84x = 53,091.47 × 12,015.28
  4. Step 4: Simplify right side
    35,388.84x = 637,908,974.06
  5. Step 5: Solve for x
    x = 637,908,974.06/35,388.84
  6. Step 6: Final answer
    x = 18,025.71

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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.