Home / 39,356.28-59,013.36-13,051.53

Finding the Fourth Proportional to 39,356.28, 59,013.36 and 13,051.53

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Solution

The fourth proportional to 39,356.28, 59,013.36 and 13,051.53 is: 19,570.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,356.28 : 59,013.36 = 13,051.53 : x
  2. Step 2: Convert to fraction form
    39,356.28/59,013.36 = 13,051.53/x
  3. Step 3: Cross multiply
    39,356.28x = 59,013.36 × 13,051.53
  4. Step 4: Simplify right side
    39,356.28x = 770,214,638.44
  5. Step 5: Solve for x
    x = 770,214,638.44/39,356.28
  6. Step 6: Final answer
    x = 19,570.31

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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.