Home / 30,120.32-41,567.64-16,693.04

Finding the Fourth Proportional to 30,120.32, 41,567.64 and 16,693.04

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Solution

The fourth proportional to 30,120.32, 41,567.64 and 16,693.04 is: 23,037.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,120.32 : 41,567.64 = 16,693.04 : x
  2. Step 2: Convert to fraction form
    30,120.32/41,567.64 = 16,693.04/x
  3. Step 3: Cross multiply
    30,120.32x = 41,567.64 × 16,693.04
  4. Step 4: Simplify right side
    30,120.32x = 693,890,277.23
  5. Step 5: Solve for x
    x = 693,890,277.23/30,120.32
  6. Step 6: Final answer
    x = 23,037.28

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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.