Home / 39,935.96-55,112.04-22,030.80

Finding the Fourth Proportional to 39,935.96, 55,112.04 and 22,030.80

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Solution

The fourth proportional to 39,935.96, 55,112.04 and 22,030.80 is: 30,402.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,935.96 : 55,112.04 = 22,030.80 : x
  2. Step 2: Convert to fraction form
    39,935.96/55,112.04 = 22,030.80/x
  3. Step 3: Cross multiply
    39,935.96x = 55,112.04 × 22,030.80
  4. Step 4: Simplify right side
    39,935.96x = 1,214,162,330.83
  5. Step 5: Solve for x
    x = 1,214,162,330.83/39,935.96
  6. Step 6: Final answer
    x = 30,402.74

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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.