Home / 40,345.54-55,676.06-22,440.16

Finding the Fourth Proportional to 40,345.54, 55,676.06 and 22,440.16

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Solution

The fourth proportional to 40,345.54, 55,676.06 and 22,440.16 is: 30,966.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,345.54 : 55,676.06 = 22,440.16 : x
  2. Step 2: Convert to fraction form
    40,345.54/55,676.06 = 22,440.16/x
  3. Step 3: Cross multiply
    40,345.54x = 55,676.06 × 22,440.16
  4. Step 4: Simplify right side
    40,345.54x = 1,249,379,694.57
  5. Step 5: Solve for x
    x = 1,249,379,694.57/40,345.54
  6. Step 6: Final answer
    x = 30,966.98

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1.5x scale

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.