Home / 39,348.24-59,028.30-13,047

Finding the Fourth Proportional to 39,348.24, 59,028.30 and 13,047

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Solution

The fourth proportional to 39,348.24, 59,028.30 and 13,047 is: 19,572.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,348.24 : 59,028.30 = 13,047 : x
  2. Step 2: Convert to fraction form
    39,348.24/59,028.30 = 13,047/x
  3. Step 3: Cross multiply
    39,348.24x = 59,028.30 × 13,047
  4. Step 4: Simplify right side
    39,348.24x = 770,142,230.10
  5. Step 5: Solve for x
    x = 770,142,230.10/39,348.24
  6. Step 6: Final answer
    x = 19,572.47

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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.