Home / 54,828.48-82,207.08-21,551.80

Finding the Fourth Proportional to 54,828.48, 82,207.08 and 21,551.80

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Solution

The fourth proportional to 54,828.48, 82,207.08 and 21,551.80 is: 32,313.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,828.48 : 82,207.08 = 21,551.80 : x
  2. Step 2: Convert to fraction form
    54,828.48/82,207.08 = 21,551.80/x
  3. Step 3: Cross multiply
    54,828.48x = 82,207.08 × 21,551.80
  4. Step 4: Simplify right side
    54,828.48x = 1,771,710,546.74
  5. Step 5: Solve for x
    x = 1,771,710,546.74/54,828.48
  6. Step 6: Final answer
    x = 32,313.69

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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.