Home / 37,378.64-51,581.88-20,383.02

Finding the Fourth Proportional to 37,378.64, 51,581.88 and 20,383.02

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Solution

The fourth proportional to 37,378.64, 51,581.88 and 20,383.02 is: 28,128.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,378.64 : 51,581.88 = 20,383.02 : x
  2. Step 2: Convert to fraction form
    37,378.64/51,581.88 = 20,383.02/x
  3. Step 3: Cross multiply
    37,378.64x = 51,581.88 × 20,383.02
  4. Step 4: Simplify right side
    37,378.64x = 1,051,394,491.68
  5. Step 5: Solve for x
    x = 1,051,394,491.68/37,378.64
  6. Step 6: Final answer
    x = 28,128.21

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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.