Home / 43,040.58-64,565.78-11,451.93

Finding the Fourth Proportional to 43,040.58, 64,565.78 and 11,451.93

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Solution

The fourth proportional to 43,040.58, 64,565.78 and 11,451.93 is: 17,179.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,040.58 : 64,565.78 = 11,451.93 : x
  2. Step 2: Convert to fraction form
    43,040.58/64,565.78 = 11,451.93/x
  3. Step 3: Cross multiply
    43,040.58x = 64,565.78 × 11,451.93
  4. Step 4: Simplify right side
    43,040.58x = 739,402,792.96
  5. Step 5: Solve for x
    x = 739,402,792.96/43,040.58
  6. Step 6: Final answer
    x = 17,179.20

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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.