Home / 30,613.23-42,246.42-17,184.64

Finding the Fourth Proportional to 30,613.23, 42,246.42 and 17,184.64

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Solution

The fourth proportional to 30,613.23, 42,246.42 and 17,184.64 is: 23,714.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,613.23 : 42,246.42 = 17,184.64 : x
  2. Step 2: Convert to fraction form
    30,613.23/42,246.42 = 17,184.64/x
  3. Step 3: Cross multiply
    30,613.23x = 42,246.42 × 17,184.64
  4. Step 4: Simplify right side
    30,613.23x = 725,989,518.99
  5. Step 5: Solve for x
    x = 725,989,518.99/30,613.23
  6. Step 6: Final answer
    x = 23,714.89

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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.