Home / 48,275.35-72,418.03-13,215

Finding the Fourth Proportional to 48,275.35, 72,418.03 and 13,215

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Solution

The fourth proportional to 48,275.35, 72,418.03 and 13,215 is: 19,823.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,275.35 : 72,418.03 = 13,215 : x
  2. Step 2: Convert to fraction form
    48,275.35/72,418.03 = 13,215/x
  3. Step 3: Cross multiply
    48,275.35x = 72,418.03 × 13,215
  4. Step 4: Simplify right side
    48,275.35x = 957,004,233.41
  5. Step 5: Solve for x
    x = 957,004,233.41/48,275.35
  6. Step 6: Final answer
    x = 19,823.87

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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.