Home / 30,313.20-41,707.80-29,613.36

Finding the Fourth Proportional to 30,313.20, 41,707.80 and 29,613.36

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Solution

The fourth proportional to 30,313.20, 41,707.80 and 29,613.36 is: 40,744.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,313.20 : 41,707.80 = 29,613.36 : x
  2. Step 2: Convert to fraction form
    30,313.20/41,707.80 = 29,613.36/x
  3. Step 3: Cross multiply
    30,313.20x = 41,707.80 × 29,613.36
  4. Step 4: Simplify right side
    30,313.20x = 1,235,108,096.21
  5. Step 5: Solve for x
    x = 1,235,108,096.21/30,313.20
  6. Step 6: Final answer
    x = 40,744.89

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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.