Home / 40,215.60-55,497.04-22,310.16

Finding the Fourth Proportional to 40,215.60, 55,497.04 and 22,310.16

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Solution

The fourth proportional to 40,215.60, 55,497.04 and 22,310.16 is: 30,787.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,215.60 : 55,497.04 = 22,310.16 : x
  2. Step 2: Convert to fraction form
    40,215.60/55,497.04 = 22,310.16/x
  3. Step 3: Cross multiply
    40,215.60x = 55,497.04 × 22,310.16
  4. Step 4: Simplify right side
    40,215.60x = 1,238,147,841.93
  5. Step 5: Solve for x
    x = 1,238,147,841.93/40,215.60
  6. Step 6: Final answer
    x = 30,787.75

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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.