Home / 74,250.42-111,373.79-21,660.36

Finding the Fourth Proportional to 74,250.42, 111,373.79 and 21,660.36

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Solution

The fourth proportional to 74,250.42, 111,373.79 and 21,660.36 is: 32,490.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,250.42 : 111,373.79 = 21,660.36 : x
  2. Step 2: Convert to fraction form
    74,250.42/111,373.79 = 21,660.36/x
  3. Step 3: Cross multiply
    74,250.42x = 111,373.79 × 21,660.36
  4. Step 4: Simplify right side
    74,250.42x = 2,412,395,860.01
  5. Step 5: Solve for x
    x = 2,412,395,860.01/74,250.42
  6. Step 6: Final answer
    x = 32,490.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.