Home / 48,447.86-66,814.93-31,435.88

Finding the Fourth Proportional to 48,447.86, 66,814.93 and 31,435.88

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Solution

The fourth proportional to 48,447.86, 66,814.93 and 31,435.88 is: 43,353.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,447.86 : 66,814.93 = 31,435.88 : x
  2. Step 2: Convert to fraction form
    48,447.86/66,814.93 = 31,435.88/x
  3. Step 3: Cross multiply
    48,447.86x = 66,814.93 × 31,435.88
  4. Step 4: Simplify right side
    48,447.86x = 2,100,385,709.02
  5. Step 5: Solve for x
    x = 2,100,385,709.02/48,447.86
  6. Step 6: Final answer
    x = 43,353.53

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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.