Home / 30,797.34-42,500.30-16,650.18

Finding the Fourth Proportional to 30,797.34, 42,500.30 and 16,650.18

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Solution

The fourth proportional to 30,797.34, 42,500.30 and 16,650.18 is: 22,977.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,797.34 : 42,500.30 = 16,650.18 : x
  2. Step 2: Convert to fraction form
    30,797.34/42,500.30 = 16,650.18/x
  3. Step 3: Cross multiply
    30,797.34x = 42,500.30 × 16,650.18
  4. Step 4: Simplify right side
    30,797.34x = 707,637,645.05
  5. Step 5: Solve for x
    x = 707,637,645.05/30,797.34
  6. Step 6: Final answer
    x = 22,977.23

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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.