Home / 30,316.20-41,833.80-16,885.32

Finding the Fourth Proportional to 30,316.20, 41,833.80 and 16,885.32

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Solution

The fourth proportional to 30,316.20, 41,833.80 and 16,885.32 is: 23,300.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,316.20 : 41,833.80 = 16,885.32 : x
  2. Step 2: Convert to fraction form
    30,316.20/41,833.80 = 16,885.32/x
  3. Step 3: Cross multiply
    30,316.20x = 41,833.80 × 16,885.32
  4. Step 4: Simplify right side
    30,316.20x = 706,377,099.82
  5. Step 5: Solve for x
    x = 706,377,099.82/30,316.20
  6. Step 6: Final answer
    x = 23,300.32

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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.