Home / 31,764.72-47,639.38-10,699.32

Finding the Fourth Proportional to 31,764.72, 47,639.38 and 10,699.32

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Solution

The fourth proportional to 31,764.72, 47,639.38 and 10,699.32 is: 16,046.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,764.72 : 47,639.38 = 10,699.32 : x
  2. Step 2: Convert to fraction form
    31,764.72/47,639.38 = 10,699.32/x
  3. Step 3: Cross multiply
    31,764.72x = 47,639.38 × 10,699.32
  4. Step 4: Simplify right side
    31,764.72x = 509,708,971.22
  5. Step 5: Solve for x
    x = 509,708,971.22/31,764.72
  6. Step 6: Final answer
    x = 16,046.39

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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.