Home / 30,222.70-45,333.90-11,498.34

Finding the Fourth Proportional to 30,222.70, 45,333.90 and 11,498.34

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Solution

The fourth proportional to 30,222.70, 45,333.90 and 11,498.34 is: 17,247.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,222.70 : 45,333.90 = 11,498.34 : x
  2. Step 2: Convert to fraction form
    30,222.70/45,333.90 = 11,498.34/x
  3. Step 3: Cross multiply
    30,222.70x = 45,333.90 × 11,498.34
  4. Step 4: Simplify right side
    30,222.70x = 521,264,595.73
  5. Step 5: Solve for x
    x = 521,264,595.73/30,222.70
  6. Step 6: Final answer
    x = 17,247.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.