Home / 30,645.39-45,944.72-15,844.87

Finding the Fourth Proportional to 30,645.39, 45,944.72 and 15,844.87

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Solution

The fourth proportional to 30,645.39, 45,944.72 and 15,844.87 is: 23,755.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,645.39 : 45,944.72 = 15,844.87 : x
  2. Step 2: Convert to fraction form
    30,645.39/45,944.72 = 15,844.87/x
  3. Step 3: Cross multiply
    30,645.39x = 45,944.72 × 15,844.87
  4. Step 4: Simplify right side
    30,645.39x = 727,988,115.59
  5. Step 5: Solve for x
    x = 727,988,115.59/30,645.39
  6. Step 6: Final answer
    x = 23,755.22

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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.