Home / 48,046.56-72,071.68-12,986.24

Finding the Fourth Proportional to 48,046.56, 72,071.68 and 12,986.24

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Solution

The fourth proportional to 48,046.56, 72,071.68 and 12,986.24 is: 19,479.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,046.56 : 72,071.68 = 12,986.24 : x
  2. Step 2: Convert to fraction form
    48,046.56/72,071.68 = 12,986.24/x
  3. Step 3: Cross multiply
    48,046.56x = 72,071.68 × 12,986.24
  4. Step 4: Simplify right side
    48,046.56x = 935,940,133.68
  5. Step 5: Solve for x
    x = 935,940,133.68/48,046.56
  6. Step 6: Final answer
    x = 19,479.86

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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.