Home / 41,421.12-62,132.40-13,719.84

Finding the Fourth Proportional to 41,421.12, 62,132.40 and 13,719.84

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Solution

The fourth proportional to 41,421.12, 62,132.40 and 13,719.84 is: 20,580.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,421.12 : 62,132.40 = 13,719.84 : x
  2. Step 2: Convert to fraction form
    41,421.12/62,132.40 = 13,719.84/x
  3. Step 3: Cross multiply
    41,421.12x = 62,132.40 × 13,719.84
  4. Step 4: Simplify right side
    41,421.12x = 852,446,586.82
  5. Step 5: Solve for x
    x = 852,446,586.82/41,421.12
  6. Step 6: Final answer
    x = 20,580.00

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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.