Home / 37,806.20-52,160.81-21,450.71

Finding the Fourth Proportional to 37,806.20, 52,160.81 and 21,450.71

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Solution

The fourth proportional to 37,806.20, 52,160.81 and 21,450.71 is: 29,595.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,806.20 : 52,160.81 = 21,450.71 : x
  2. Step 2: Convert to fraction form
    37,806.20/52,160.81 = 21,450.71/x
  3. Step 3: Cross multiply
    37,806.20x = 52,160.81 × 21,450.71
  4. Step 4: Simplify right side
    37,806.20x = 1,118,886,259.08
  5. Step 5: Solve for x
    x = 1,118,886,259.08/37,806.20
  6. Step 6: Final answer
    x = 29,595.31

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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.