Home / 34,165.28-51,237.92-13,103.76

Finding the Fourth Proportional to 34,165.28, 51,237.92 and 13,103.76

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Solution

The fourth proportional to 34,165.28, 51,237.92 and 13,103.76 is: 19,651.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,165.28 : 51,237.92 = 13,103.76 : x
  2. Step 2: Convert to fraction form
    34,165.28/51,237.92 = 13,103.76/x
  3. Step 3: Cross multiply
    34,165.28x = 51,237.92 × 13,103.76
  4. Step 4: Simplify right side
    34,165.28x = 671,409,406.58
  5. Step 5: Solve for x
    x = 671,409,406.58/34,165.28
  6. Step 6: Final answer
    x = 19,651.80

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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.