Home / 51,178.84-76,776.35-15,158.95

Finding the Fourth Proportional to 51,178.84, 76,776.35 and 15,158.95

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Solution

The fourth proportional to 51,178.84, 76,776.35 and 15,158.95 is: 22,740.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,178.84 : 76,776.35 = 15,158.95 : x
  2. Step 2: Convert to fraction form
    51,178.84/76,776.35 = 15,158.95/x
  3. Step 3: Cross multiply
    51,178.84x = 76,776.35 × 15,158.95
  4. Step 4: Simplify right side
    51,178.84x = 1,163,848,850.83
  5. Step 5: Solve for x
    x = 1,163,848,850.83/51,178.84
  6. Step 6: Final answer
    x = 22,740.82

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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.