Home / 34,515.96-51,784.02-13,742.52

Finding the Fourth Proportional to 34,515.96, 51,784.02 and 13,742.52

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Solution

The fourth proportional to 34,515.96, 51,784.02 and 13,742.52 is: 20,617.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,515.96 : 51,784.02 = 13,742.52 : x
  2. Step 2: Convert to fraction form
    34,515.96/51,784.02 = 13,742.52/x
  3. Step 3: Cross multiply
    34,515.96x = 51,784.02 × 13,742.52
  4. Step 4: Simplify right side
    34,515.96x = 711,642,930.53
  5. Step 5: Solve for x
    x = 711,642,930.53/34,515.96
  6. Step 6: Final answer
    x = 20,617.79

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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.