Home / 46,472.86-69,670.09-20,157.78

Finding the Fourth Proportional to 46,472.86, 69,670.09 and 20,157.78

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Solution

The fourth proportional to 46,472.86, 69,670.09 and 20,157.78 is: 30,219.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,472.86 : 69,670.09 = 20,157.78 : x
  2. Step 2: Convert to fraction form
    46,472.86/69,670.09 = 20,157.78/x
  3. Step 3: Cross multiply
    46,472.86x = 69,670.09 × 20,157.78
  4. Step 4: Simplify right side
    46,472.86x = 1,404,394,346.80
  5. Step 5: Solve for x
    x = 1,404,394,346.80/46,472.86
  6. Step 6: Final answer
    x = 30,219.67

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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.