Home / 30,423.17-41,983.51-16,994.62

Finding the Fourth Proportional to 30,423.17, 41,983.51 and 16,994.62

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Solution

The fourth proportional to 30,423.17, 41,983.51 and 16,994.62 is: 23,452.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,423.17 : 41,983.51 = 16,994.62 : x
  2. Step 2: Convert to fraction form
    30,423.17/41,983.51 = 16,994.62/x
  3. Step 3: Cross multiply
    30,423.17x = 41,983.51 × 16,994.62
  4. Step 4: Simplify right side
    30,423.17x = 713,493,798.72
  5. Step 5: Solve for x
    x = 713,493,798.72/30,423.17
  6. Step 6: Final answer
    x = 23,452.32

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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.