Home / 38,944.70-53,743.58-21,039.65

Finding the Fourth Proportional to 38,944.70, 53,743.58 and 21,039.65

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Solution

The fourth proportional to 38,944.70, 53,743.58 and 21,039.65 is: 29,034.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,944.70 : 53,743.58 = 21,039.65 : x
  2. Step 2: Convert to fraction form
    38,944.70/53,743.58 = 21,039.65/x
  3. Step 3: Cross multiply
    38,944.70x = 53,743.58 × 21,039.65
  4. Step 4: Simplify right side
    38,944.70x = 1,130,745,844.23
  5. Step 5: Solve for x
    x = 1,130,745,844.23/38,944.70
  6. Step 6: Final answer
    x = 29,034.66

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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.