Home / 45,273.45-67,887.36-15,683.34

Finding the Fourth Proportional to 45,273.45, 67,887.36 and 15,683.34

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Solution

The fourth proportional to 45,273.45, 67,887.36 and 15,683.34 is: 23,517.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,273.45 : 67,887.36 = 15,683.34 : x
  2. Step 2: Convert to fraction form
    45,273.45/67,887.36 = 15,683.34/x
  3. Step 3: Cross multiply
    45,273.45x = 67,887.36 × 15,683.34
  4. Step 4: Simplify right side
    45,273.45x = 1,064,700,548.58
  5. Step 5: Solve for x
    x = 1,064,700,548.58/45,273.45
  6. Step 6: Final answer
    x = 23,517.11

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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.