Home / 40,281.88-60,431.46-16,894.84

Finding the Fourth Proportional to 40,281.88, 60,431.46 and 16,894.84

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Solution

The fourth proportional to 40,281.88, 60,431.46 and 16,894.84 is: 25,345.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,281.88 : 60,431.46 = 16,894.84 : x
  2. Step 2: Convert to fraction form
    40,281.88/60,431.46 = 16,894.84/x
  3. Step 3: Cross multiply
    40,281.88x = 60,431.46 × 16,894.84
  4. Step 4: Simplify right side
    40,281.88x = 1,020,979,847.67
  5. Step 5: Solve for x
    x = 1,020,979,847.67/40,281.88
  6. Step 6: Final answer
    x = 25,345.88

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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.