Home / 39,326.81-54,272.30-22,331.79

Finding the Fourth Proportional to 39,326.81, 54,272.30 and 22,331.79

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Solution

The fourth proportional to 39,326.81, 54,272.30 and 22,331.79 is: 30,818.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,326.81 : 54,272.30 = 22,331.79 : x
  2. Step 2: Convert to fraction form
    39,326.81/54,272.30 = 22,331.79/x
  3. Step 3: Cross multiply
    39,326.81x = 54,272.30 × 22,331.79
  4. Step 4: Simplify right side
    39,326.81x = 1,211,997,494.76
  5. Step 5: Solve for x
    x = 1,211,997,494.76/39,326.81
  6. Step 6: Final answer
    x = 30,818.61

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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.