Home / 51,795.58-77,695.80-18,531.40

Finding the Fourth Proportional to 51,795.58, 77,695.80 and 18,531.40

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Solution

The fourth proportional to 51,795.58, 77,695.80 and 18,531.40 is: 27,797.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,795.58 : 77,695.80 = 18,531.40 : x
  2. Step 2: Convert to fraction form
    51,795.58/77,695.80 = 18,531.40/x
  3. Step 3: Cross multiply
    51,795.58x = 77,695.80 × 18,531.40
  4. Step 4: Simplify right side
    51,795.58x = 1,439,811,948.12
  5. Step 5: Solve for x
    x = 1,439,811,948.12/51,795.58
  6. Step 6: Final answer
    x = 27,797.97

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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.