Home / 30,394.16-41,940.18-16,966.16

Finding the Fourth Proportional to 30,394.16, 41,940.18 and 16,966.16

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Solution

The fourth proportional to 30,394.16, 41,940.18 and 16,966.16 is: 23,411.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,394.16 : 41,940.18 = 16,966.16 : x
  2. Step 2: Convert to fraction form
    30,394.16/41,940.18 = 16,966.16/x
  3. Step 3: Cross multiply
    30,394.16x = 41,940.18 × 16,966.16
  4. Step 4: Simplify right side
    30,394.16x = 711,563,804.31
  5. Step 5: Solve for x
    x = 711,563,804.31/30,394.16
  6. Step 6: Final answer
    x = 23,411.20

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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.