Home / 40,345.41-55,675.86-22,440.03

Finding the Fourth Proportional to 40,345.41, 55,675.86 and 22,440.03

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Solution

The fourth proportional to 40,345.41, 55,675.86 and 22,440.03 is: 30,966.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,345.41 : 55,675.86 = 22,440.03 : x
  2. Step 2: Convert to fraction form
    40,345.41/55,675.86 = 22,440.03/x
  3. Step 3: Cross multiply
    40,345.41x = 55,675.86 × 22,440.03
  4. Step 4: Simplify right side
    40,345.41x = 1,249,367,968.68
  5. Step 5: Solve for x
    x = 1,249,367,968.68/40,345.41
  6. Step 6: Final answer
    x = 30,966.79

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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.