Home / 45,979.84-68,833.68-28,393.12

Finding the Fourth Proportional to 45,979.84, 68,833.68 and 28,393.12

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Solution

The fourth proportional to 45,979.84, 68,833.68 and 28,393.12 is: 42,505.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,979.84 : 68,833.68 = 28,393.12 : x
  2. Step 2: Convert to fraction form
    45,979.84/68,833.68 = 28,393.12/x
  3. Step 3: Cross multiply
    45,979.84x = 68,833.68 × 28,393.12
  4. Step 4: Simplify right side
    45,979.84x = 1,954,402,936.28
  5. Step 5: Solve for x
    x = 1,954,402,936.28/45,979.84
  6. Step 6: Final answer
    x = 42,505.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.