Home / 45,489.06-68,243.98-13,903.62

Finding the Fourth Proportional to 45,489.06, 68,243.98 and 13,903.62

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Solution

The fourth proportional to 45,489.06, 68,243.98 and 13,903.62 is: 20,858.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,489.06 : 68,243.98 = 13,903.62 : x
  2. Step 2: Convert to fraction form
    45,489.06/68,243.98 = 13,903.62/x
  3. Step 3: Cross multiply
    45,489.06x = 68,243.98 × 13,903.62
  4. Step 4: Simplify right side
    45,489.06x = 948,838,382.59
  5. Step 5: Solve for x
    x = 948,838,382.59/45,489.06
  6. Step 6: Final answer
    x = 20,858.60

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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.