Home / 40,112.04-55,355.27-21,962.46

Finding the Fourth Proportional to 40,112.04, 55,355.27 and 21,962.46

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Solution

The fourth proportional to 40,112.04, 55,355.27 and 21,962.46 is: 30,308.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,112.04 : 55,355.27 = 21,962.46 : x
  2. Step 2: Convert to fraction form
    40,112.04/55,355.27 = 21,962.46/x
  3. Step 3: Cross multiply
    40,112.04x = 55,355.27 × 21,962.46
  4. Step 4: Simplify right side
    40,112.04x = 1,215,737,903.16
  5. Step 5: Solve for x
    x = 1,215,737,903.16/40,112.04
  6. Step 6: Final answer
    x = 30,308.55

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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.