Home / 51,704.34-77,539.07-19,675.81

Finding the Fourth Proportional to 51,704.34, 77,539.07 and 19,675.81

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Solution

The fourth proportional to 51,704.34, 77,539.07 and 19,675.81 is: 29,507.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,704.34 : 77,539.07 = 19,675.81 : x
  2. Step 2: Convert to fraction form
    51,704.34/77,539.07 = 19,675.81/x
  3. Step 3: Cross multiply
    51,704.34x = 77,539.07 × 19,675.81
  4. Step 4: Simplify right side
    51,704.34x = 1,525,644,276.53
  5. Step 5: Solve for x
    x = 1,525,644,276.53/51,704.34
  6. Step 6: Final answer
    x = 29,507.08

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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.