Home / 45,459.53-68,190.66-21,760.65

Finding the Fourth Proportional to 45,459.53, 68,190.66 and 21,760.65

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Solution

The fourth proportional to 45,459.53, 68,190.66 and 21,760.65 is: 32,641.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,459.53 : 68,190.66 = 21,760.65 : x
  2. Step 2: Convert to fraction form
    45,459.53/68,190.66 = 21,760.65/x
  3. Step 3: Cross multiply
    45,459.53x = 68,190.66 × 21,760.65
  4. Step 4: Simplify right side
    45,459.53x = 1,483,873,085.53
  5. Step 5: Solve for x
    x = 1,483,873,085.53/45,459.53
  6. Step 6: Final answer
    x = 32,641.63

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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.