Home / 30,041.75-41,456.78-16,612.55

Finding the Fourth Proportional to 30,041.75, 41,456.78 and 16,612.55

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Solution

The fourth proportional to 30,041.75, 41,456.78 and 16,612.55 is: 22,924.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,041.75 : 41,456.78 = 16,612.55 : x
  2. Step 2: Convert to fraction form
    30,041.75/41,456.78 = 16,612.55/x
  3. Step 3: Cross multiply
    30,041.75x = 41,456.78 × 16,612.55
  4. Step 4: Simplify right side
    30,041.75x = 688,702,747.53
  5. Step 5: Solve for x
    x = 688,702,747.53/30,041.75
  6. Step 6: Final answer
    x = 22,924.85

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1.5x scale

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.