Home / 36,125.16-49,848.80-21,020.86

Finding the Fourth Proportional to 36,125.16, 49,848.80 and 21,020.86

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Solution

The fourth proportional to 36,125.16, 49,848.80 and 21,020.86 is: 29,006.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,125.16 : 49,848.80 = 21,020.86 : x
  2. Step 2: Convert to fraction form
    36,125.16/49,848.80 = 21,020.86/x
  3. Step 3: Cross multiply
    36,125.16x = 49,848.80 × 21,020.86
  4. Step 4: Simplify right side
    36,125.16x = 1,047,864,645.97
  5. Step 5: Solve for x
    x = 1,047,864,645.97/36,125.16
  6. Step 6: Final answer
    x = 29,006.51

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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.