Home / 37,154.37-51,270.53-20,388.45

Finding the Fourth Proportional to 37,154.37, 51,270.53 and 20,388.45

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Solution

The fourth proportional to 37,154.37, 51,270.53 and 20,388.45 is: 28,134.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,154.37 : 51,270.53 = 20,388.45 : x
  2. Step 2: Convert to fraction form
    37,154.37/51,270.53 = 20,388.45/x
  3. Step 3: Cross multiply
    37,154.37x = 51,270.53 × 20,388.45
  4. Step 4: Simplify right side
    37,154.37x = 1,045,326,535.44
  5. Step 5: Solve for x
    x = 1,045,326,535.44/37,154.37
  6. Step 6: Final answer
    x = 28,134.69

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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.