Home / 48,645.60-72,959.76-13,576.56

Finding the Fourth Proportional to 48,645.60, 72,959.76 and 13,576.56

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Solution

The fourth proportional to 48,645.60, 72,959.76 and 13,576.56 is: 20,362.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,645.60 : 72,959.76 = 13,576.56 : x
  2. Step 2: Convert to fraction form
    48,645.60/72,959.76 = 13,576.56/x
  3. Step 3: Cross multiply
    48,645.60x = 72,959.76 × 13,576.56
  4. Step 4: Simplify right side
    48,645.60x = 990,542,559.23
  5. Step 5: Solve for x
    x = 990,542,559.23/48,645.60
  6. Step 6: Final answer
    x = 20,362.43

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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.