Home / 52,830.18-79,226.94-21,230.88

Finding the Fourth Proportional to 52,830.18, 79,226.94 and 21,230.88

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Solution

The fourth proportional to 52,830.18, 79,226.94 and 21,230.88 is: 31,838.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,830.18 : 79,226.94 = 21,230.88 : x
  2. Step 2: Convert to fraction form
    52,830.18/79,226.94 = 21,230.88/x
  3. Step 3: Cross multiply
    52,830.18x = 79,226.94 × 21,230.88
  4. Step 4: Simplify right side
    52,830.18x = 1,682,057,655.91
  5. Step 5: Solve for x
    x = 1,682,057,655.91/52,830.18
  6. Step 6: Final answer
    x = 31,838.95

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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.