Home / 48,615.82-72,924.06-13,555.78

Finding the Fourth Proportional to 48,615.82, 72,924.06 and 13,555.78

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Solution

The fourth proportional to 48,615.82, 72,924.06 and 13,555.78 is: 20,333.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,615.82 : 72,924.06 = 13,555.78 : x
  2. Step 2: Convert to fraction form
    48,615.82/72,924.06 = 13,555.78/x
  3. Step 3: Cross multiply
    48,615.82x = 72,924.06 × 13,555.78
  4. Step 4: Simplify right side
    48,615.82x = 988,542,514.07
  5. Step 5: Solve for x
    x = 988,542,514.07/48,615.82
  6. Step 6: Final answer
    x = 20,333.76

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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.