Home / 31,257.66-43,090.65-22,289.55

Finding the Fourth Proportional to 31,257.66, 43,090.65 and 22,289.55

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Solution

The fourth proportional to 31,257.66, 43,090.65 and 22,289.55 is: 30,727.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,257.66 : 43,090.65 = 22,289.55 : x
  2. Step 2: Convert to fraction form
    31,257.66/43,090.65 = 22,289.55/x
  3. Step 3: Cross multiply
    31,257.66x = 43,090.65 × 22,289.55
  4. Step 4: Simplify right side
    31,257.66x = 960,471,197.71
  5. Step 5: Solve for x
    x = 960,471,197.71/31,257.66
  6. Step 6: Final answer
    x = 30,727.55

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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.