Home / 30,184.72-45,249.36-10,449.47

Finding the Fourth Proportional to 30,184.72, 45,249.36 and 10,449.47

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Solution

The fourth proportional to 30,184.72, 45,249.36 and 10,449.47 is: 15,664.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,184.72 : 45,249.36 = 10,449.47 : x
  2. Step 2: Convert to fraction form
    30,184.72/45,249.36 = 10,449.47/x
  3. Step 3: Cross multiply
    30,184.72x = 45,249.36 × 10,449.47
  4. Step 4: Simplify right side
    30,184.72x = 472,831,829.84
  5. Step 5: Solve for x
    x = 472,831,829.84/30,184.72
  6. Step 6: Final answer
    x = 15,664.61

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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.