Home / 53,427.08-73,737-30,763.82

Finding the Fourth Proportional to 53,427.08, 73,737 and 30,763.82

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Solution

The fourth proportional to 53,427.08, 73,737 and 30,763.82 is: 42,458.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,427.08 : 73,737 = 30,763.82 : x
  2. Step 2: Convert to fraction form
    53,427.08/73,737 = 30,763.82/x
  3. Step 3: Cross multiply
    53,427.08x = 73,737 × 30,763.82
  4. Step 4: Simplify right side
    53,427.08x = 2,268,431,979.68
  5. Step 5: Solve for x
    x = 2,268,431,979.68/53,427.08
  6. Step 6: Final answer
    x = 42,458.47

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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.