Home / 42,758.14-64,139.01-11,593.39

Finding the Fourth Proportional to 42,758.14, 64,139.01 and 11,593.39

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Solution

The fourth proportional to 42,758.14, 64,139.01 and 11,593.39 is: 17,390.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,758.14 : 64,139.01 = 11,593.39 : x
  2. Step 2: Convert to fraction form
    42,758.14/64,139.01 = 11,593.39/x
  3. Step 3: Cross multiply
    42,758.14x = 64,139.01 × 11,593.39
  4. Step 4: Simplify right side
    42,758.14x = 743,588,557.14
  5. Step 5: Solve for x
    x = 743,588,557.14/42,758.14
  6. Step 6: Final answer
    x = 17,390.57

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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.