Home / 30,041.34-41,455.35-16,611.78

Finding the Fourth Proportional to 30,041.34, 41,455.35 and 16,611.78

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Solution

The fourth proportional to 30,041.34, 41,455.35 and 16,611.78 is: 22,923.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,041.34 : 41,455.35 = 16,611.78 : x
  2. Step 2: Convert to fraction form
    30,041.34/41,455.35 = 16,611.78/x
  3. Step 3: Cross multiply
    30,041.34x = 41,455.35 × 16,611.78
  4. Step 4: Simplify right side
    30,041.34x = 688,647,154.02
  5. Step 5: Solve for x
    x = 688,647,154.02/30,041.34
  6. Step 6: Final answer
    x = 22,923.32

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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.