Home / 39,917.04-55,084.25-22,012.80

Finding the Fourth Proportional to 39,917.04, 55,084.25 and 22,012.80

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Solution

The fourth proportional to 39,917.04, 55,084.25 and 22,012.80 is: 30,376.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,917.04 : 55,084.25 = 22,012.80 : x
  2. Step 2: Convert to fraction form
    39,917.04/55,084.25 = 22,012.80/x
  3. Step 3: Cross multiply
    39,917.04x = 55,084.25 × 22,012.80
  4. Step 4: Simplify right side
    39,917.04x = 1,212,558,468.34
  5. Step 5: Solve for x
    x = 1,212,558,468.34/39,917.04
  6. Step 6: Final answer
    x = 30,376.96

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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.