Home / 38,516.77-57,783.80-12,873.03

Finding the Fourth Proportional to 38,516.77, 57,783.80 and 12,873.03

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Solution

The fourth proportional to 38,516.77, 57,783.80 and 12,873.03 is: 19,312.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,516.77 : 57,783.80 = 12,873.03 : x
  2. Step 2: Convert to fraction form
    38,516.77/57,783.80 = 12,873.03/x
  3. Step 3: Cross multiply
    38,516.77x = 57,783.80 × 12,873.03
  4. Step 4: Simplify right side
    38,516.77x = 743,852,590.91
  5. Step 5: Solve for x
    x = 743,852,590.91/38,516.77
  6. Step 6: Final answer
    x = 19,312.43

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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.