Home / 37,421.44-51,640.81-20,426.02

Finding the Fourth Proportional to 37,421.44, 51,640.81 and 20,426.02

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Solution

The fourth proportional to 37,421.44, 51,640.81 and 20,426.02 is: 28,187.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,421.44 : 51,640.81 = 20,426.02 : x
  2. Step 2: Convert to fraction form
    37,421.44/51,640.81 = 20,426.02/x
  3. Step 3: Cross multiply
    37,421.44x = 51,640.81 × 20,426.02
  4. Step 4: Simplify right side
    37,421.44x = 1,054,816,217.88
  5. Step 5: Solve for x
    x = 1,054,816,217.88/37,421.44
  6. Step 6: Final answer
    x = 28,187.48

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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.