Home / 54,412.14-81,601.81-19,349.67

Finding the Fourth Proportional to 54,412.14, 81,601.81 and 19,349.67

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Solution

The fourth proportional to 54,412.14, 81,601.81 and 19,349.67 is: 29,018.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,412.14 : 81,601.81 = 19,349.67 : x
  2. Step 2: Convert to fraction form
    54,412.14/81,601.81 = 19,349.67/x
  3. Step 3: Cross multiply
    54,412.14x = 81,601.81 × 19,349.67
  4. Step 4: Simplify right side
    54,412.14x = 1,578,968,425.10
  5. Step 5: Solve for x
    x = 1,578,968,425.10/54,412.14
  6. Step 6: Final answer
    x = 29,018.68

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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.