Home / 45,170.16-67,778.37-21,504.48

Finding the Fourth Proportional to 45,170.16, 67,778.37 and 21,504.48

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Solution

The fourth proportional to 45,170.16, 67,778.37 and 21,504.48 is: 32,267.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,170.16 : 67,778.37 = 21,504.48 : x
  2. Step 2: Convert to fraction form
    45,170.16/67,778.37 = 21,504.48/x
  3. Step 3: Cross multiply
    45,170.16x = 67,778.37 × 21,504.48
  4. Step 4: Simplify right side
    45,170.16x = 1,457,538,602.10
  5. Step 5: Solve for x
    x = 1,457,538,602.10/45,170.16
  6. Step 6: Final answer
    x = 32,267.73

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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.