Home / 41,979.77-57,913.38-28,363.47

Finding the Fourth Proportional to 41,979.77, 57,913.38 and 28,363.47

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Solution

The fourth proportional to 41,979.77, 57,913.38 and 28,363.47 is: 39,128.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,979.77 : 57,913.38 = 28,363.47 : x
  2. Step 2: Convert to fraction form
    41,979.77/57,913.38 = 28,363.47/x
  3. Step 3: Cross multiply
    41,979.77x = 57,913.38 × 28,363.47
  4. Step 4: Simplify right side
    41,979.77x = 1,642,624,199.05
  5. Step 5: Solve for x
    x = 1,642,624,199.05/41,979.77
  6. Step 6: Final answer
    x = 39,128.95

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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.