Home / 31,795.94-47,670.87-18,645.86

Finding the Fourth Proportional to 31,795.94, 47,670.87 and 18,645.86

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Solution

The fourth proportional to 31,795.94, 47,670.87 and 18,645.86 is: 27,955.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,795.94 : 47,670.87 = 18,645.86 : x
  2. Step 2: Convert to fraction form
    31,795.94/47,670.87 = 18,645.86/x
  3. Step 3: Cross multiply
    31,795.94x = 47,670.87 × 18,645.86
  4. Step 4: Simplify right side
    31,795.94x = 888,864,368.10
  5. Step 5: Solve for x
    x = 888,864,368.10/31,795.94
  6. Step 6: Final answer
    x = 27,955.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.