Home / 29,641.12-40,905.84-16,211.56

Finding the Fourth Proportional to 29,641.12, 40,905.84 and 16,211.56

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Solution

The fourth proportional to 29,641.12, 40,905.84 and 16,211.56 is: 22,372.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,641.12 : 40,905.84 = 16,211.56 : x
  2. Step 2: Convert to fraction form
    29,641.12/40,905.84 = 16,211.56/x
  3. Step 3: Cross multiply
    29,641.12x = 40,905.84 × 16,211.56
  4. Step 4: Simplify right side
    29,641.12x = 663,147,479.51
  5. Step 5: Solve for x
    x = 663,147,479.51/29,641.12
  6. Step 6: Final answer
    x = 22,372.55

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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.