Home / 30,251.30-41,746.64-16,821.77

Finding the Fourth Proportional to 30,251.30, 41,746.64 and 16,821.77

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Solution

The fourth proportional to 30,251.30, 41,746.64 and 16,821.77 is: 23,213.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,251.30 : 41,746.64 = 16,821.77 : x
  2. Step 2: Convert to fraction form
    30,251.30/41,746.64 = 16,821.77/x
  3. Step 3: Cross multiply
    30,251.30x = 41,746.64 × 16,821.77
  4. Step 4: Simplify right side
    30,251.30x = 702,252,396.61
  5. Step 5: Solve for x
    x = 702,252,396.61/30,251.30
  6. Step 6: Final answer
    x = 23,213.96

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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.