Home / 31,667.39-47,420.72-19,009.27

Finding the Fourth Proportional to 31,667.39, 47,420.72 and 19,009.27

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Solution

The fourth proportional to 31,667.39, 47,420.72 and 19,009.27 is: 28,465.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,667.39 : 47,420.72 = 19,009.27 : x
  2. Step 2: Convert to fraction form
    31,667.39/47,420.72 = 19,009.27/x
  3. Step 3: Cross multiply
    31,667.39x = 47,420.72 × 19,009.27
  4. Step 4: Simplify right side
    31,667.39x = 901,433,305.59
  5. Step 5: Solve for x
    x = 901,433,305.59/31,667.39
  6. Step 6: Final answer
    x = 28,465.67

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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.