Home / 33,106.77-45,688.20-18,000.45

Finding the Fourth Proportional to 33,106.77, 45,688.20 and 18,000.45

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Solution

The fourth proportional to 33,106.77, 45,688.20 and 18,000.45 is: 24,841.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,106.77 : 45,688.20 = 18,000.45 : x
  2. Step 2: Convert to fraction form
    33,106.77/45,688.20 = 18,000.45/x
  3. Step 3: Cross multiply
    33,106.77x = 45,688.20 × 18,000.45
  4. Step 4: Simplify right side
    33,106.77x = 822,408,159.69
  5. Step 5: Solve for x
    x = 822,408,159.69/33,106.77
  6. Step 6: Final answer
    x = 24,841.09

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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.