Home / 38,318.24-52,876.32-21,548

Finding the Fourth Proportional to 38,318.24, 52,876.32 and 21,548

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Solution

The fourth proportional to 38,318.24, 52,876.32 and 21,548 is: 29,734.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,318.24 : 52,876.32 = 21,548 : x
  2. Step 2: Convert to fraction form
    38,318.24/52,876.32 = 21,548/x
  3. Step 3: Cross multiply
    38,318.24x = 52,876.32 × 21,548
  4. Step 4: Simplify right side
    38,318.24x = 1,139,378,943.36
  5. Step 5: Solve for x
    x = 1,139,378,943.36/38,318.24
  6. Step 6: Final answer
    x = 29,734.64

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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.