Home / 51,489.60-77,235.84-18,204.96

Finding the Fourth Proportional to 51,489.60, 77,235.84 and 18,204.96

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Solution

The fourth proportional to 51,489.60, 77,235.84 and 18,204.96 is: 27,307.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,489.60 : 77,235.84 = 18,204.96 : x
  2. Step 2: Convert to fraction form
    51,489.60/77,235.84 = 18,204.96/x
  3. Step 3: Cross multiply
    51,489.60x = 77,235.84 × 18,204.96
  4. Step 4: Simplify right side
    51,489.60x = 1,406,075,377.77
  5. Step 5: Solve for x
    x = 1,406,075,377.77/51,489.60
  6. Step 6: Final answer
    x = 27,307.95

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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.