Home / 37,636.56-51,937.80-20,869.68

Finding the Fourth Proportional to 37,636.56, 51,937.80 and 20,869.68

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Solution

The fourth proportional to 37,636.56, 51,937.80 and 20,869.68 is: 28,799.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,636.56 : 51,937.80 = 20,869.68 : x
  2. Step 2: Convert to fraction form
    37,636.56/51,937.80 = 20,869.68/x
  3. Step 3: Cross multiply
    37,636.56x = 51,937.80 × 20,869.68
  4. Step 4: Simplify right side
    37,636.56x = 1,083,925,265.90
  5. Step 5: Solve for x
    x = 1,083,925,265.90/37,636.56
  6. Step 6: Final answer
    x = 28,799.80

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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.