Home / 48,321.56-72,479.94-13,261.40

Finding the Fourth Proportional to 48,321.56, 72,479.94 and 13,261.40

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Solution

The fourth proportional to 48,321.56, 72,479.94 and 13,261.40 is: 19,891.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,321.56 : 72,479.94 = 13,261.40 : x
  2. Step 2: Convert to fraction form
    48,321.56/72,479.94 = 13,261.40/x
  3. Step 3: Cross multiply
    48,321.56x = 72,479.94 × 13,261.40
  4. Step 4: Simplify right side
    48,321.56x = 961,185,476.32
  5. Step 5: Solve for x
    x = 961,185,476.32/48,321.56
  6. Step 6: Final answer
    x = 19,891.44

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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.