Home / 37,636.24-51,938.08-20,869.20

Finding the Fourth Proportional to 37,636.24, 51,938.08 and 20,869.20

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Solution

The fourth proportional to 37,636.24, 51,938.08 and 20,869.20 is: 28,799.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,636.24 : 51,938.08 = 20,869.20 : x
  2. Step 2: Convert to fraction form
    37,636.24/51,938.08 = 20,869.20/x
  3. Step 3: Cross multiply
    37,636.24x = 51,938.08 × 20,869.20
  4. Step 4: Simplify right side
    37,636.24x = 1,083,906,179.14
  5. Step 5: Solve for x
    x = 1,083,906,179.14/37,636.24
  6. Step 6: Final answer
    x = 28,799.53

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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.