Home / 41,428.12-62,140.40-13,347.54

Finding the Fourth Proportional to 41,428.12, 62,140.40 and 13,347.54

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Solution

The fourth proportional to 41,428.12, 62,140.40 and 13,347.54 is: 20,020.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,428.12 : 62,140.40 = 13,347.54 : x
  2. Step 2: Convert to fraction form
    41,428.12/62,140.40 = 13,347.54/x
  3. Step 3: Cross multiply
    41,428.12x = 62,140.40 × 13,347.54
  4. Step 4: Simplify right side
    41,428.12x = 829,421,474.62
  5. Step 5: Solve for x
    x = 829,421,474.62/41,428.12
  6. Step 6: Final answer
    x = 20,020.74

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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.