Home / 30,631.14-42,267.96-17,199.32

Finding the Fourth Proportional to 30,631.14, 42,267.96 and 17,199.32

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Solution

The fourth proportional to 30,631.14, 42,267.96 and 17,199.32 is: 23,733.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,631.14 : 42,267.96 = 17,199.32 : x
  2. Step 2: Convert to fraction form
    30,631.14/42,267.96 = 17,199.32/x
  3. Step 3: Cross multiply
    30,631.14x = 42,267.96 × 17,199.32
  4. Step 4: Simplify right side
    30,631.14x = 726,980,169.79
  5. Step 5: Solve for x
    x = 726,980,169.79/30,631.14
  6. Step 6: Final answer
    x = 23,733.37

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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.