Home / 51,790.51-77,687.43-14,347.38

Finding the Fourth Proportional to 51,790.51, 77,687.43 and 14,347.38

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Solution

The fourth proportional to 51,790.51, 77,687.43 and 14,347.38 is: 21,521.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,790.51 : 77,687.43 = 14,347.38 : x
  2. Step 2: Convert to fraction form
    51,790.51/77,687.43 = 14,347.38/x
  3. Step 3: Cross multiply
    51,790.51x = 77,687.43 × 14,347.38
  4. Step 4: Simplify right side
    51,790.51x = 1,114,611,079.43
  5. Step 5: Solve for x
    x = 1,114,611,079.43/51,790.51
  6. Step 6: Final answer
    x = 21,521.53

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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.