Home / 74,009.57-111,028.05-23,421.34

Finding the Fourth Proportional to 74,009.57, 111,028.05 and 23,421.34

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Solution

The fourth proportional to 74,009.57, 111,028.05 and 23,421.34 is: 35,136.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,009.57 : 111,028.05 = 23,421.34 : x
  2. Step 2: Convert to fraction form
    74,009.57/111,028.05 = 23,421.34/x
  3. Step 3: Cross multiply
    74,009.57x = 111,028.05 × 23,421.34
  4. Step 4: Simplify right side
    74,009.57x = 2,600,425,708.59
  5. Step 5: Solve for x
    x = 2,600,425,708.59/74,009.57
  6. Step 6: Final answer
    x = 35,136.34

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1.5x scale

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.