Home / 30,892.04-42,631.18-16,744.76

Finding the Fourth Proportional to 30,892.04, 42,631.18 and 16,744.76

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Solution

The fourth proportional to 30,892.04, 42,631.18 and 16,744.76 is: 23,107.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,892.04 : 42,631.18 = 16,744.76 : x
  2. Step 2: Convert to fraction form
    30,892.04/42,631.18 = 16,744.76/x
  3. Step 3: Cross multiply
    30,892.04x = 42,631.18 × 16,744.76
  4. Step 4: Simplify right side
    30,892.04x = 713,848,877.62
  5. Step 5: Solve for x
    x = 713,848,877.62/30,892.04
  6. Step 6: Final answer
    x = 23,107.86

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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.