Home / 37,403.84-51,617.04-20,636.88

Finding the Fourth Proportional to 37,403.84, 51,617.04 and 20,636.88

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Solution

The fourth proportional to 37,403.84, 51,617.04 and 20,636.88 is: 28,478.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,403.84 : 51,617.04 = 20,636.88 : x
  2. Step 2: Convert to fraction form
    37,403.84/51,617.04 = 20,636.88/x
  3. Step 3: Cross multiply
    37,403.84x = 51,617.04 × 20,636.88
  4. Step 4: Simplify right side
    37,403.84x = 1,065,214,660.44
  5. Step 5: Solve for x
    x = 1,065,214,660.44/37,403.84
  6. Step 6: Final answer
    x = 28,478.75

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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.