Home / 42,950.19-64,431.36-13,371.01

Finding the Fourth Proportional to 42,950.19, 64,431.36 and 13,371.01

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Solution

The fourth proportional to 42,950.19, 64,431.36 and 13,371.01 is: 20,058.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,950.19 : 64,431.36 = 13,371.01 : x
  2. Step 2: Convert to fraction form
    42,950.19/64,431.36 = 13,371.01/x
  3. Step 3: Cross multiply
    42,950.19x = 64,431.36 × 13,371.01
  4. Step 4: Simplify right side
    42,950.19x = 861,512,358.87
  5. Step 5: Solve for x
    x = 861,512,358.87/42,950.19
  6. Step 6: Final answer
    x = 20,058.41

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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.