Home / 30,322.83-45,489.11-12,795.24

Finding the Fourth Proportional to 30,322.83, 45,489.11 and 12,795.24

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Solution

The fourth proportional to 30,322.83, 45,489.11 and 12,795.24 is: 19,194.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,322.83 : 45,489.11 = 12,795.24 : x
  2. Step 2: Convert to fraction form
    30,322.83/45,489.11 = 12,795.24/x
  3. Step 3: Cross multiply
    30,322.83x = 45,489.11 × 12,795.24
  4. Step 4: Simplify right side
    30,322.83x = 582,044,079.84
  5. Step 5: Solve for x
    x = 582,044,079.84/30,322.83
  6. Step 6: Final answer
    x = 19,194.91

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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.