Home / 47,633.46-65,763.90-30,667.11

Finding the Fourth Proportional to 47,633.46, 65,763.90 and 30,667.11

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Solution

The fourth proportional to 47,633.46, 65,763.90 and 30,667.11 is: 42,339.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,633.46 : 65,763.90 = 30,667.11 : x
  2. Step 2: Convert to fraction form
    47,633.46/65,763.90 = 30,667.11/x
  3. Step 3: Cross multiply
    47,633.46x = 65,763.90 × 30,667.11
  4. Step 4: Simplify right side
    47,633.46x = 2,016,788,755.33
  5. Step 5: Solve for x
    x = 2,016,788,755.33/47,633.46
  6. Step 6: Final answer
    x = 42,339.75

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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.