Home / 37,618.04-51,913.42-20,621.94

Finding the Fourth Proportional to 37,618.04, 51,913.42 and 20,621.94

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Solution

The fourth proportional to 37,618.04, 51,913.42 and 20,621.94 is: 28,458.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,618.04 : 51,913.42 = 20,621.94 : x
  2. Step 2: Convert to fraction form
    37,618.04/51,913.42 = 20,621.94/x
  3. Step 3: Cross multiply
    37,618.04x = 51,913.42 × 20,621.94
  4. Step 4: Simplify right side
    37,618.04x = 1,070,555,432.43
  5. Step 5: Solve for x
    x = 1,070,555,432.43/37,618.04
  6. Step 6: Final answer
    x = 28,458.56

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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.