Home / 40,462.72-60,701.40-12,382.28

Finding the Fourth Proportional to 40,462.72, 60,701.40 and 12,382.28

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Solution

The fourth proportional to 40,462.72, 60,701.40 and 12,382.28 is: 18,575.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,462.72 : 60,701.40 = 12,382.28 : x
  2. Step 2: Convert to fraction form
    40,462.72/60,701.40 = 12,382.28/x
  3. Step 3: Cross multiply
    40,462.72x = 60,701.40 × 12,382.28
  4. Step 4: Simplify right side
    40,462.72x = 751,621,731.19
  5. Step 5: Solve for x
    x = 751,621,731.19/40,462.72
  6. Step 6: Final answer
    x = 18,575.66

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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.