Home / 30,308.64-41,826.30-16,880.76

Finding the Fourth Proportional to 30,308.64, 41,826.30 and 16,880.76

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Solution

The fourth proportional to 30,308.64, 41,826.30 and 16,880.76 is: 23,295.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,308.64 : 41,826.30 = 16,880.76 : x
  2. Step 2: Convert to fraction form
    30,308.64/41,826.30 = 16,880.76/x
  3. Step 3: Cross multiply
    30,308.64x = 41,826.30 × 16,880.76
  4. Step 4: Simplify right side
    30,308.64x = 706,059,731.99
  5. Step 5: Solve for x
    x = 706,059,731.99/30,308.64
  6. Step 6: Final answer
    x = 23,295.66

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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.