Home / 37,378.05-51,581.08-20,382.33

Finding the Fourth Proportional to 37,378.05, 51,581.08 and 20,382.33

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Solution

The fourth proportional to 37,378.05, 51,581.08 and 20,382.33 is: 28,127.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,378.05 : 51,581.08 = 20,382.33 : x
  2. Step 2: Convert to fraction form
    37,378.05/51,581.08 = 20,382.33/x
  3. Step 3: Cross multiply
    37,378.05x = 51,581.08 × 20,382.33
  4. Step 4: Simplify right side
    37,378.05x = 1,051,342,429.49
  5. Step 5: Solve for x
    x = 1,051,342,429.49/37,378.05
  6. Step 6: Final answer
    x = 28,127.27

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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.