Home / 38,406.68-57,634.63-18,674.47

Finding the Fourth Proportional to 38,406.68, 57,634.63 and 18,674.47

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Solution

The fourth proportional to 38,406.68, 57,634.63 and 18,674.47 is: 28,023.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,406.68 : 57,634.63 = 18,674.47 : x
  2. Step 2: Convert to fraction form
    38,406.68/57,634.63 = 18,674.47/x
  3. Step 3: Cross multiply
    38,406.68x = 57,634.63 × 18,674.47
  4. Step 4: Simplify right side
    38,406.68x = 1,076,296,330.09
  5. Step 5: Solve for x
    x = 1,076,296,330.09/38,406.68
  6. Step 6: Final answer
    x = 28,023.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.