Home / 37,315.68-51,494.64-20,548.80

Finding the Fourth Proportional to 37,315.68, 51,494.64 and 20,548.80

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Solution

The fourth proportional to 37,315.68, 51,494.64 and 20,548.80 is: 28,356.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,315.68 : 51,494.64 = 20,548.80 : x
  2. Step 2: Convert to fraction form
    37,315.68/51,494.64 = 20,548.80/x
  3. Step 3: Cross multiply
    37,315.68x = 51,494.64 × 20,548.80
  4. Step 4: Simplify right side
    37,315.68x = 1,058,153,058.43
  5. Step 5: Solve for x
    x = 1,058,153,058.43/37,315.68
  6. Step 6: Final answer
    x = 28,356.79

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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.