Home / 45,619.22-68,441.31-21,946.56

Finding the Fourth Proportional to 45,619.22, 68,441.31 and 21,946.56

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Solution

The fourth proportional to 45,619.22, 68,441.31 and 21,946.56 is: 32,925.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,619.22 : 68,441.31 = 21,946.56 : x
  2. Step 2: Convert to fraction form
    45,619.22/68,441.31 = 21,946.56/x
  3. Step 3: Cross multiply
    45,619.22x = 68,441.31 × 21,946.56
  4. Step 4: Simplify right side
    45,619.22x = 1,502,051,316.39
  5. Step 5: Solve for x
    x = 1,502,051,316.39/45,619.22
  6. Step 6: Final answer
    x = 32,925.85

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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.