Home / 38,386.56-52,972.68-21,619.56

Finding the Fourth Proportional to 38,386.56, 52,972.68 and 21,619.56

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Solution

The fourth proportional to 38,386.56, 52,972.68 and 21,619.56 is: 29,834.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,386.56 : 52,972.68 = 21,619.56 : x
  2. Step 2: Convert to fraction form
    38,386.56/52,972.68 = 21,619.56/x
  3. Step 3: Cross multiply
    38,386.56x = 52,972.68 × 21,619.56
  4. Step 4: Simplify right side
    38,386.56x = 1,145,246,033.62
  5. Step 5: Solve for x
    x = 1,145,246,033.62/38,386.56
  6. Step 6: Final answer
    x = 29,834.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.