Home / 30,073.34-41,500.54-16,643.78

Finding the Fourth Proportional to 30,073.34, 41,500.54 and 16,643.78

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Solution

The fourth proportional to 30,073.34, 41,500.54 and 16,643.78 is: 22,968.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,073.34 : 41,500.54 = 16,643.78 : x
  2. Step 2: Convert to fraction form
    30,073.34/41,500.54 = 16,643.78/x
  3. Step 3: Cross multiply
    30,073.34x = 41,500.54 × 16,643.78
  4. Step 4: Simplify right side
    30,073.34x = 690,725,857.64
  5. Step 5: Solve for x
    x = 690,725,857.64/30,073.34
  6. Step 6: Final answer
    x = 22,968.05

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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.