Home / 46,438.42-69,667.26-21,125.88

Finding the Fourth Proportional to 46,438.42, 69,667.26 and 21,125.88

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Solution

The fourth proportional to 46,438.42, 69,667.26 and 21,125.88 is: 31,693.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,438.42 : 69,667.26 = 21,125.88 : x
  2. Step 2: Convert to fraction form
    46,438.42/69,667.26 = 21,125.88/x
  3. Step 3: Cross multiply
    46,438.42x = 69,667.26 × 21,125.88
  4. Step 4: Simplify right side
    46,438.42x = 1,471,782,174.69
  5. Step 5: Solve for x
    x = 1,471,782,174.69/46,438.42
  6. Step 6: Final answer
    x = 31,693.20

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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.