Home / 33,115.37-45,688.01-18,773.64

Finding the Fourth Proportional to 33,115.37, 45,688.01 and 18,773.64

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Solution

The fourth proportional to 33,115.37, 45,688.01 and 18,773.64 is: 25,901.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,115.37 : 45,688.01 = 18,773.64 : x
  2. Step 2: Convert to fraction form
    33,115.37/45,688.01 = 18,773.64/x
  3. Step 3: Cross multiply
    33,115.37x = 45,688.01 × 18,773.64
  4. Step 4: Simplify right side
    33,115.37x = 857,730,158.19
  5. Step 5: Solve for x
    x = 857,730,158.19/33,115.37
  6. Step 6: Final answer
    x = 25,901.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.