Home / 30,147.76-41,606.40-16,723.35

Finding the Fourth Proportional to 30,147.76, 41,606.40 and 16,723.35

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Solution

The fourth proportional to 30,147.76, 41,606.40 and 16,723.35 is: 23,079.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,147.76 : 41,606.40 = 16,723.35 : x
  2. Step 2: Convert to fraction form
    30,147.76/41,606.40 = 16,723.35/x
  3. Step 3: Cross multiply
    30,147.76x = 41,606.40 × 16,723.35
  4. Step 4: Simplify right side
    30,147.76x = 695,798,452.15
  5. Step 5: Solve for x
    x = 695,798,452.15/30,147.76
  6. Step 6: Final answer
    x = 23,079.61

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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.