Home / 51,420.20-77,135.98-16,351.68

Finding the Fourth Proportional to 51,420.20, 77,135.98 and 16,351.68

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Solution

The fourth proportional to 51,420.20, 77,135.98 and 16,351.68 is: 24,529.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,420.20 : 77,135.98 = 16,351.68 : x
  2. Step 2: Convert to fraction form
    51,420.20/77,135.98 = 16,351.68/x
  3. Step 3: Cross multiply
    51,420.20x = 77,135.98 × 16,351.68
  4. Step 4: Simplify right side
    51,420.20x = 1,261,302,861.45
  5. Step 5: Solve for x
    x = 1,261,302,861.45/51,420.20
  6. Step 6: Final answer
    x = 24,529.33

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1.5x scale

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.