Home / 49,057.02-67,711.68-28,927.32

Finding the Fourth Proportional to 49,057.02, 67,711.68 and 28,927.32

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Solution

The fourth proportional to 49,057.02, 67,711.68 and 28,927.32 is: 39,927.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,057.02 : 67,711.68 = 28,927.32 : x
  2. Step 2: Convert to fraction form
    49,057.02/67,711.68 = 28,927.32/x
  3. Step 3: Cross multiply
    49,057.02x = 67,711.68 × 28,927.32
  4. Step 4: Simplify right side
    49,057.02x = 1,958,717,435.10
  5. Step 5: Solve for x
    x = 1,958,717,435.10/49,057.02
  6. Step 6: Final answer
    x = 39,927.36

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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.