Home / 51,269.40-76,904.10-16,219.80

Finding the Fourth Proportional to 51,269.40, 76,904.10 and 16,219.80

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Solution

The fourth proportional to 51,269.40, 76,904.10 and 16,219.80 is: 24,329.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,269.40 : 76,904.10 = 16,219.80 : x
  2. Step 2: Convert to fraction form
    51,269.40/76,904.10 = 16,219.80/x
  3. Step 3: Cross multiply
    51,269.40x = 76,904.10 × 16,219.80
  4. Step 4: Simplify right side
    51,269.40x = 1,247,369,121.18
  5. Step 5: Solve for x
    x = 1,247,369,121.18/51,269.40
  6. Step 6: Final answer
    x = 24,329.70

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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.