Home / 31,929.63-47,903.55-10,874.29

Finding the Fourth Proportional to 31,929.63, 47,903.55 and 10,874.29

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Solution

The fourth proportional to 31,929.63, 47,903.55 and 10,874.29 is: 16,314.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,929.63 : 47,903.55 = 10,874.29 : x
  2. Step 2: Convert to fraction form
    31,929.63/47,903.55 = 10,874.29/x
  3. Step 3: Cross multiply
    31,929.63x = 47,903.55 × 10,874.29
  4. Step 4: Simplify right side
    31,929.63x = 520,917,094.73
  5. Step 5: Solve for x
    x = 520,917,094.73/31,929.63
  6. Step 6: Final answer
    x = 16,314.54

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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.