Home / 53,143.08-73,326.68-40,392.86

Finding the Fourth Proportional to 53,143.08, 73,326.68 and 40,392.86

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Solution

The fourth proportional to 53,143.08, 73,326.68 and 40,392.86 is: 55,733.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,143.08 : 73,326.68 = 40,392.86 : x
  2. Step 2: Convert to fraction form
    53,143.08/73,326.68 = 40,392.86/x
  3. Step 3: Cross multiply
    53,143.08x = 73,326.68 × 40,392.86
  4. Step 4: Simplify right side
    53,143.08x = 2,961,874,319.50
  5. Step 5: Solve for x
    x = 2,961,874,319.50/53,143.08
  6. Step 6: Final answer
    x = 55,733.96

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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.