Home / 37,421.37-51,641.39-20,654.25

Finding the Fourth Proportional to 37,421.37, 51,641.39 and 20,654.25

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Solution

The fourth proportional to 37,421.37, 51,641.39 and 20,654.25 is: 28,502.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,421.37 : 51,641.39 = 20,654.25 : x
  2. Step 2: Convert to fraction form
    37,421.37/51,641.39 = 20,654.25/x
  3. Step 3: Cross multiply
    37,421.37x = 51,641.39 × 20,654.25
  4. Step 4: Simplify right side
    37,421.37x = 1,066,614,076.14
  5. Step 5: Solve for x
    x = 1,066,614,076.14/37,421.37
  6. Step 6: Final answer
    x = 28,502.81

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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.