Home / 51,178.60-76,811.10-24,905.80

Finding the Fourth Proportional to 51,178.60, 76,811.10 and 24,905.80

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Solution

The fourth proportional to 51,178.60, 76,811.10 and 24,905.80 is: 37,379.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,178.60 : 76,811.10 = 24,905.80 : x
  2. Step 2: Convert to fraction form
    51,178.60/76,811.10 = 24,905.80/x
  3. Step 3: Cross multiply
    51,178.60x = 76,811.10 × 24,905.80
  4. Step 4: Simplify right side
    51,178.60x = 1,913,041,894.38
  5. Step 5: Solve for x
    x = 1,913,041,894.38/51,178.60
  6. Step 6: Final answer
    x = 37,379.72

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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.