Home / 32,885.10-45,381.33-18,740.34

Finding the Fourth Proportional to 32,885.10, 45,381.33 and 18,740.34

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Solution

The fourth proportional to 32,885.10, 45,381.33 and 18,740.34 is: 25,861.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,885.10 : 45,381.33 = 18,740.34 : x
  2. Step 2: Convert to fraction form
    32,885.10/45,381.33 = 18,740.34/x
  3. Step 3: Cross multiply
    32,885.10x = 45,381.33 × 18,740.34
  4. Step 4: Simplify right side
    32,885.10x = 850,461,553.85
  5. Step 5: Solve for x
    x = 850,461,553.85/32,885.10
  6. Step 6: Final answer
    x = 25,861.61

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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.