Home / 37,081.79-51,176.54-21,168.64

Finding the Fourth Proportional to 37,081.79, 51,176.54 and 21,168.64

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Solution

The fourth proportional to 37,081.79, 51,176.54 and 21,168.64 is: 29,214.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,081.79 : 51,176.54 = 21,168.64 : x
  2. Step 2: Convert to fraction form
    37,081.79/51,176.54 = 21,168.64/x
  3. Step 3: Cross multiply
    37,081.79x = 51,176.54 × 21,168.64
  4. Step 4: Simplify right side
    37,081.79x = 1,083,337,676.69
  5. Step 5: Solve for x
    x = 1,083,337,676.69/37,081.79
  6. Step 6: Final answer
    x = 29,214.81

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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.