Home / 37,623.95-51,921.19-20,628.45

Finding the Fourth Proportional to 37,623.95, 51,921.19 and 20,628.45

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Solution

The fourth proportional to 37,623.95, 51,921.19 and 20,628.45 is: 28,467.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,623.95 : 51,921.19 = 20,628.45 : x
  2. Step 2: Convert to fraction form
    37,623.95/51,921.19 = 20,628.45/x
  3. Step 3: Cross multiply
    37,623.95x = 51,921.19 × 20,628.45
  4. Step 4: Simplify right side
    37,623.95x = 1,071,053,412.25
  5. Step 5: Solve for x
    x = 1,071,053,412.25/37,623.95
  6. Step 6: Final answer
    x = 28,467.33

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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.