Home / 63,379.86-87,505.47-40,727.58

Finding the Fourth Proportional to 63,379.86, 87,505.47 and 40,727.58

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Solution

The fourth proportional to 63,379.86, 87,505.47 and 40,727.58 is: 56,230.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,379.86 : 87,505.47 = 40,727.58 : x
  2. Step 2: Convert to fraction form
    63,379.86/87,505.47 = 40,727.58/x
  3. Step 3: Cross multiply
    63,379.86x = 87,505.47 × 40,727.58
  4. Step 4: Simplify right side
    63,379.86x = 3,563,886,029.86
  5. Step 5: Solve for x
    x = 3,563,886,029.86/63,379.86
  6. Step 6: Final answer
    x = 56,230.58

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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.