Home / 29,366.46-40,518.54-16,620

Finding the Fourth Proportional to 29,366.46, 40,518.54 and 16,620

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Solution

The fourth proportional to 29,366.46, 40,518.54 and 16,620 is: 22,931.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,366.46 : 40,518.54 = 16,620 : x
  2. Step 2: Convert to fraction form
    29,366.46/40,518.54 = 16,620/x
  3. Step 3: Cross multiply
    29,366.46x = 40,518.54 × 16,620
  4. Step 4: Simplify right side
    29,366.46x = 673,418,134.80
  5. Step 5: Solve for x
    x = 673,418,134.80/29,366.46
  6. Step 6: Final answer
    x = 22,931.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.