Home / 42,869.44-64,302.18-11,704.60

Finding the Fourth Proportional to 42,869.44, 64,302.18 and 11,704.60

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Solution

The fourth proportional to 42,869.44, 64,302.18 and 11,704.60 is: 17,556.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,869.44 : 64,302.18 = 11,704.60 : x
  2. Step 2: Convert to fraction form
    42,869.44/64,302.18 = 11,704.60/x
  3. Step 3: Cross multiply
    42,869.44x = 64,302.18 × 11,704.60
  4. Step 4: Simplify right side
    42,869.44x = 752,631,296.03
  5. Step 5: Solve for x
    x = 752,631,296.03/42,869.44
  6. Step 6: Final answer
    x = 17,556.36

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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.