Home / 46,471.86-69,668.60-20,156.78

Finding the Fourth Proportional to 46,471.86, 69,668.60 and 20,156.78

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Solution

The fourth proportional to 46,471.86, 69,668.60 and 20,156.78 is: 30,218.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,471.86 : 69,668.60 = 20,156.78 : x
  2. Step 2: Convert to fraction form
    46,471.86/69,668.60 = 20,156.78/x
  3. Step 3: Cross multiply
    46,471.86x = 69,668.60 × 20,156.78
  4. Step 4: Simplify right side
    46,471.86x = 1,404,294,193.98
  5. Step 5: Solve for x
    x = 1,404,294,193.98/46,471.86
  6. Step 6: Final answer
    x = 30,218.16

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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.