Home / 49,742.18-74,610.84-18,575

Finding the Fourth Proportional to 49,742.18, 74,610.84 and 18,575

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Solution

The fourth proportional to 49,742.18, 74,610.84 and 18,575 is: 27,861.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,742.18 : 74,610.84 = 18,575 : x
  2. Step 2: Convert to fraction form
    49,742.18/74,610.84 = 18,575/x
  3. Step 3: Cross multiply
    49,742.18x = 74,610.84 × 18,575
  4. Step 4: Simplify right side
    49,742.18x = 1,385,896,353
  5. Step 5: Solve for x
    x = 1,385,896,353/49,742.18
  6. Step 6: Final answer
    x = 27,861.59

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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.