Home / 37,419.76-51,638.48-20,423.44

Finding the Fourth Proportional to 37,419.76, 51,638.48 and 20,423.44

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Solution

The fourth proportional to 37,419.76, 51,638.48 and 20,423.44 is: 28,183.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,419.76 : 51,638.48 = 20,423.44 : x
  2. Step 2: Convert to fraction form
    37,419.76/51,638.48 = 20,423.44/x
  3. Step 3: Cross multiply
    37,419.76x = 51,638.48 × 20,423.44
  4. Step 4: Simplify right side
    37,419.76x = 1,054,635,397.97
  5. Step 5: Solve for x
    x = 1,054,635,397.97/37,419.76
  6. Step 6: Final answer
    x = 28,183.92

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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.