Home / 51,806.64-77,723.64-18,530.04

Finding the Fourth Proportional to 51,806.64, 77,723.64 and 18,530.04

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Solution

The fourth proportional to 51,806.64, 77,723.64 and 18,530.04 is: 27,799.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,806.64 : 77,723.64 = 18,530.04 : x
  2. Step 2: Convert to fraction form
    51,806.64/77,723.64 = 18,530.04/x
  3. Step 3: Cross multiply
    51,806.64x = 77,723.64 × 18,530.04
  4. Step 4: Simplify right side
    51,806.64x = 1,440,222,158.15
  5. Step 5: Solve for x
    x = 1,440,222,158.15/51,806.64
  6. Step 6: Final answer
    x = 27,799.95

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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.