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Finding the Fourth Proportional to 33,891.93, 46,769.63 and 20,461.92

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Solution

The fourth proportional to 33,891.93, 46,769.63 and 20,461.92 is: 28,236.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,891.93 : 46,769.63 = 20,461.92 : x
  2. Step 2: Convert to fraction form
    33,891.93/46,769.63 = 20,461.92/x
  3. Step 3: Cross multiply
    33,891.93x = 46,769.63 × 20,461.92
  4. Step 4: Simplify right side
    33,891.93x = 956,996,325.18
  5. Step 5: Solve for x
    x = 956,996,325.18/33,891.93
  6. Step 6: Final answer
    x = 28,236.70

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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.