Home / 30,173.16-45,249.49-10,447.10

Finding the Fourth Proportional to 30,173.16, 45,249.49 and 10,447.10

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Solution

The fourth proportional to 30,173.16, 45,249.49 and 10,447.10 is: 15,667.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,173.16 : 45,249.49 = 10,447.10 : x
  2. Step 2: Convert to fraction form
    30,173.16/45,249.49 = 10,447.10/x
  3. Step 3: Cross multiply
    30,173.16x = 45,249.49 × 10,447.10
  4. Step 4: Simplify right side
    30,173.16x = 472,725,971.98
  5. Step 5: Solve for x
    x = 472,725,971.98/30,173.16
  6. Step 6: Final answer
    x = 15,667.10

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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.