Home / 48,086.30-72,137.74-21,441.75

Finding the Fourth Proportional to 48,086.30, 72,137.74 and 21,441.75

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Solution

The fourth proportional to 48,086.30, 72,137.74 and 21,441.75 is: 32,166.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,086.30 : 72,137.74 = 21,441.75 : x
  2. Step 2: Convert to fraction form
    48,086.30/72,137.74 = 21,441.75/x
  3. Step 3: Cross multiply
    48,086.30x = 72,137.74 × 21,441.75
  4. Step 4: Simplify right side
    48,086.30x = 1,546,759,386.65
  5. Step 5: Solve for x
    x = 1,546,759,386.65/48,086.30
  6. Step 6: Final answer
    x = 32,166.32

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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.