Home / 49,387.38-74,054.53-15,647.21

Finding the Fourth Proportional to 49,387.38, 74,054.53 and 15,647.21

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Solution

The fourth proportional to 49,387.38, 74,054.53 and 15,647.21 is: 23,462.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,387.38 : 74,054.53 = 15,647.21 : x
  2. Step 2: Convert to fraction form
    49,387.38/74,054.53 = 15,647.21/x
  3. Step 3: Cross multiply
    49,387.38x = 74,054.53 × 15,647.21
  4. Step 4: Simplify right side
    49,387.38x = 1,158,746,782.36
  5. Step 5: Solve for x
    x = 1,158,746,782.36/49,387.38
  6. Step 6: Final answer
    x = 23,462.41

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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.