Home / 30,797.32-42,500.41-16,650.17

Finding the Fourth Proportional to 30,797.32, 42,500.41 and 16,650.17

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Solution

The fourth proportional to 30,797.32, 42,500.41 and 16,650.17 is: 22,977.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,797.32 : 42,500.41 = 16,650.17 : x
  2. Step 2: Convert to fraction form
    30,797.32/42,500.41 = 16,650.17/x
  3. Step 3: Cross multiply
    30,797.32x = 42,500.41 × 16,650.17
  4. Step 4: Simplify right side
    30,797.32x = 707,639,051.57
  5. Step 5: Solve for x
    x = 707,639,051.57/30,797.32
  6. Step 6: Final answer
    x = 22,977.29

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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.