Home / 51,324.54-76,971.42-18,038.40

Finding the Fourth Proportional to 51,324.54, 76,971.42 and 18,038.40

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Solution

The fourth proportional to 51,324.54, 76,971.42 and 18,038.40 is: 27,052.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,324.54 : 76,971.42 = 18,038.40 : x
  2. Step 2: Convert to fraction form
    51,324.54/76,971.42 = 18,038.40/x
  3. Step 3: Cross multiply
    51,324.54x = 76,971.42 × 18,038.40
  4. Step 4: Simplify right side
    51,324.54x = 1,388,441,262.53
  5. Step 5: Solve for x
    x = 1,388,441,262.53/51,324.54
  6. Step 6: Final answer
    x = 27,052.19

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1.5x scale

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.