Home / 53,141.08-73,323.92-40,390.86

Finding the Fourth Proportional to 53,141.08, 73,323.92 and 40,390.86

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Solution

The fourth proportional to 53,141.08, 73,323.92 and 40,390.86 is: 55,731.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,141.08 : 73,323.92 = 40,390.86 : x
  2. Step 2: Convert to fraction form
    53,141.08/73,323.92 = 40,390.86/x
  3. Step 3: Cross multiply
    53,141.08x = 73,323.92 × 40,390.86
  4. Step 4: Simplify right side
    53,141.08x = 2,961,616,187.37
  5. Step 5: Solve for x
    x = 2,961,616,187.37/53,141.08
  6. Step 6: Final answer
    x = 55,731.20

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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.