Home / 38,890.65-53,619.96-25,440.60

Finding the Fourth Proportional to 38,890.65, 53,619.96 and 25,440.60

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Solution

The fourth proportional to 38,890.65, 53,619.96 and 25,440.60 is: 35,075.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,890.65 : 53,619.96 = 25,440.60 : x
  2. Step 2: Convert to fraction form
    38,890.65/53,619.96 = 25,440.60/x
  3. Step 3: Cross multiply
    38,890.65x = 53,619.96 × 25,440.60
  4. Step 4: Simplify right side
    38,890.65x = 1,364,123,954.38
  5. Step 5: Solve for x
    x = 1,364,123,954.38/38,890.65
  6. Step 6: Final answer
    x = 35,075.88

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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.