Home / 37,291.19-51,463.06-21,378.65

Finding the Fourth Proportional to 37,291.19, 51,463.06 and 21,378.65

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Solution

The fourth proportional to 37,291.19, 51,463.06 and 21,378.65 is: 29,503.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,291.19 : 51,463.06 = 21,378.65 : x
  2. Step 2: Convert to fraction form
    37,291.19/51,463.06 = 21,378.65/x
  3. Step 3: Cross multiply
    37,291.19x = 51,463.06 × 21,378.65
  4. Step 4: Simplify right side
    37,291.19x = 1,100,210,436.91
  5. Step 5: Solve for x
    x = 1,100,210,436.91/37,291.19
  6. Step 6: Final answer
    x = 29,503.23

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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.