Home / 37,047.81-51,125.46-21,132.51

Finding the Fourth Proportional to 37,047.81, 51,125.46 and 21,132.51

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Solution

The fourth proportional to 37,047.81, 51,125.46 and 21,132.51 is: 29,162.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,047.81 : 51,125.46 = 21,132.51 : x
  2. Step 2: Convert to fraction form
    37,047.81/51,125.46 = 21,132.51/x
  3. Step 3: Cross multiply
    37,047.81x = 51,125.46 × 21,132.51
  4. Step 4: Simplify right side
    37,047.81x = 1,080,409,294.70
  5. Step 5: Solve for x
    x = 1,080,409,294.70/37,047.81
  6. Step 6: Final answer
    x = 29,162.57

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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.