Home / 37,058.71-51,140.53-21,143.42

Finding the Fourth Proportional to 37,058.71, 51,140.53 and 21,143.42

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Solution

The fourth proportional to 37,058.71, 51,140.53 and 21,143.42 is: 29,177.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,058.71 : 51,140.53 = 21,143.42 : x
  2. Step 2: Convert to fraction form
    37,058.71/51,140.53 = 21,143.42/x
  3. Step 3: Cross multiply
    37,058.71x = 51,140.53 × 21,143.42
  4. Step 4: Simplify right side
    37,058.71x = 1,081,285,704.81
  5. Step 5: Solve for x
    x = 1,081,285,704.81/37,058.71
  6. Step 6: Final answer
    x = 29,177.64

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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.