Home / 47,515.40-71,288.93-15,928.58

Finding the Fourth Proportional to 47,515.40, 71,288.93 and 15,928.58

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Solution

The fourth proportional to 47,515.40, 71,288.93 and 15,928.58 is: 23,898.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,515.40 : 71,288.93 = 15,928.58 : x
  2. Step 2: Convert to fraction form
    47,515.40/71,288.93 = 15,928.58/x
  3. Step 3: Cross multiply
    47,515.40x = 71,288.93 × 15,928.58
  4. Step 4: Simplify right side
    47,515.40x = 1,135,531,642.66
  5. Step 5: Solve for x
    x = 1,135,531,642.66/47,515.40
  6. Step 6: Final answer
    x = 23,898.18

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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.