Home / 37,193.60-51,326.88-20,426.56

Finding the Fourth Proportional to 37,193.60, 51,326.88 and 20,426.56

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Solution

The fourth proportional to 37,193.60, 51,326.88 and 20,426.56 is: 28,188.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,193.60 : 51,326.88 = 20,426.56 : x
  2. Step 2: Convert to fraction form
    37,193.60/51,326.88 = 20,426.56/x
  3. Step 3: Cross multiply
    37,193.60x = 51,326.88 × 20,426.56
  4. Step 4: Simplify right side
    37,193.60x = 1,048,431,593.93
  5. Step 5: Solve for x
    x = 1,048,431,593.93/37,193.60
  6. Step 6: Final answer
    x = 28,188.49

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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.