Home / 29,130.03-40,212.97-21,962.84

Finding the Fourth Proportional to 29,130.03, 40,212.97 and 21,962.84

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Solution

The fourth proportional to 29,130.03, 40,212.97 and 21,962.84 is: 30,318.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,130.03 : 40,212.97 = 21,962.84 : x
  2. Step 2: Convert to fraction form
    29,130.03/40,212.97 = 21,962.84/x
  3. Step 3: Cross multiply
    29,130.03x = 40,212.97 × 21,962.84
  4. Step 4: Simplify right side
    29,130.03x = 883,190,770.06
  5. Step 5: Solve for x
    x = 883,190,770.06/29,130.03
  6. Step 6: Final answer
    x = 30,318.91

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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.