Home / 30,247.46-41,740.40-16,819.28

Finding the Fourth Proportional to 30,247.46, 41,740.40 and 16,819.28

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Solution

The fourth proportional to 30,247.46, 41,740.40 and 16,819.28 is: 23,210.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,247.46 : 41,740.40 = 16,819.28 : x
  2. Step 2: Convert to fraction form
    30,247.46/41,740.40 = 16,819.28/x
  3. Step 3: Cross multiply
    30,247.46x = 41,740.40 × 16,819.28
  4. Step 4: Simplify right side
    30,247.46x = 702,043,474.91
  5. Step 5: Solve for x
    x = 702,043,474.91/30,247.46
  6. Step 6: Final answer
    x = 23,210.00

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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.