Home / 30,147.22-41,605.68-16,719.76

Finding the Fourth Proportional to 30,147.22, 41,605.68 and 16,719.76

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Solution

The fourth proportional to 30,147.22, 41,605.68 and 16,719.76 is: 23,074.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,147.22 : 41,605.68 = 16,719.76 : x
  2. Step 2: Convert to fraction form
    30,147.22/41,605.68 = 16,719.76/x
  3. Step 3: Cross multiply
    30,147.22x = 41,605.68 × 16,719.76
  4. Step 4: Simplify right side
    30,147.22x = 695,636,984.24
  5. Step 5: Solve for x
    x = 695,636,984.24/30,147.22
  6. Step 6: Final answer
    x = 23,074.66

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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.