Home / 30,250.54-41,740.83-16,821.45

Finding the Fourth Proportional to 30,250.54, 41,740.83 and 16,821.45

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Solution

The fourth proportional to 30,250.54, 41,740.83 and 16,821.45 is: 23,210.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,250.54 : 41,740.83 = 16,821.45 : x
  2. Step 2: Convert to fraction form
    30,250.54/41,740.83 = 16,821.45/x
  3. Step 3: Cross multiply
    30,250.54x = 41,740.83 × 16,821.45
  4. Step 4: Simplify right side
    30,250.54x = 702,141,191.06
  5. Step 5: Solve for x
    x = 702,141,191.06/30,250.54
  6. Step 6: Final answer
    x = 23,210.87

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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.