Home / 37,434.39-51,659.58-20,438.67

Finding the Fourth Proportional to 37,434.39, 51,659.58 and 20,438.67

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Solution

The fourth proportional to 37,434.39, 51,659.58 and 20,438.67 is: 28,205.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,434.39 : 51,659.58 = 20,438.67 : x
  2. Step 2: Convert to fraction form
    37,434.39/51,659.58 = 20,438.67/x
  3. Step 3: Cross multiply
    37,434.39x = 51,659.58 × 20,438.67
  4. Step 4: Simplify right side
    37,434.39x = 1,055,853,107.96
  5. Step 5: Solve for x
    x = 1,055,853,107.96/37,434.39
  6. Step 6: Final answer
    x = 28,205.43

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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.