Home / 51,454.44-77,137.29-19,886.65

Finding the Fourth Proportional to 51,454.44, 77,137.29 and 19,886.65

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Solution

The fourth proportional to 51,454.44, 77,137.29 and 19,886.65 is: 29,812.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,454.44 : 77,137.29 = 19,886.65 : x
  2. Step 2: Convert to fraction form
    51,454.44/77,137.29 = 19,886.65/x
  3. Step 3: Cross multiply
    51,454.44x = 77,137.29 × 19,886.65
  4. Step 4: Simplify right side
    51,454.44x = 1,534,002,095.34
  5. Step 5: Solve for x
    x = 1,534,002,095.34/51,454.44
  6. Step 6: Final answer
    x = 29,812.82

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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.