Home / 34,731.93-47,930.97-21,295.45

Finding the Fourth Proportional to 34,731.93, 47,930.97 and 21,295.45

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Solution

The fourth proportional to 34,731.93, 47,930.97 and 21,295.45 is: 29,388.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,731.93 : 47,930.97 = 21,295.45 : x
  2. Step 2: Convert to fraction form
    34,731.93/47,930.97 = 21,295.45/x
  3. Step 3: Cross multiply
    34,731.93x = 47,930.97 × 21,295.45
  4. Step 4: Simplify right side
    34,731.93x = 1,020,711,714.86
  5. Step 5: Solve for x
    x = 1,020,711,714.86/34,731.93
  6. Step 6: Final answer
    x = 29,388.28

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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.