Home / 33,210.45-45,804.50-21,274.90

Finding the Fourth Proportional to 33,210.45, 45,804.50 and 21,274.90

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Solution

The fourth proportional to 33,210.45, 45,804.50 and 21,274.90 is: 29,342.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,210.45 : 45,804.50 = 21,274.90 : x
  2. Step 2: Convert to fraction form
    33,210.45/45,804.50 = 21,274.90/x
  3. Step 3: Cross multiply
    33,210.45x = 45,804.50 × 21,274.90
  4. Step 4: Simplify right side
    33,210.45x = 974,486,157.05
  5. Step 5: Solve for x
    x = 974,486,157.05/33,210.45
  6. Step 6: Final answer
    x = 29,342.76

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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.