Home / 40,143.76-60,186.48-16,776.88

Finding the Fourth Proportional to 40,143.76, 60,186.48 and 16,776.88

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Solution

The fourth proportional to 40,143.76, 60,186.48 and 16,776.88 is: 25,153.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,143.76 : 60,186.48 = 16,776.88 : x
  2. Step 2: Convert to fraction form
    40,143.76/60,186.48 = 16,776.88/x
  3. Step 3: Cross multiply
    40,143.76x = 60,186.48 × 16,776.88
  4. Step 4: Simplify right side
    40,143.76x = 1,009,741,352.58
  5. Step 5: Solve for x
    x = 1,009,741,352.58/40,143.76
  6. Step 6: Final answer
    x = 25,153.13

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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.