Home / 37,308.29-51,483.88-20,540.21

Finding the Fourth Proportional to 37,308.29, 51,483.88 and 20,540.21

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Solution

The fourth proportional to 37,308.29, 51,483.88 and 20,540.21 is: 28,344.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,308.29 : 51,483.88 = 20,540.21 : x
  2. Step 2: Convert to fraction form
    37,308.29/51,483.88 = 20,540.21/x
  3. Step 3: Cross multiply
    37,308.29x = 51,483.88 × 20,540.21
  4. Step 4: Simplify right side
    37,308.29x = 1,057,489,706.81
  5. Step 5: Solve for x
    x = 1,057,489,706.81/37,308.29
  6. Step 6: Final answer
    x = 28,344.63

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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.