Home / 39,657.48-59,474.07-13,355.16

Finding the Fourth Proportional to 39,657.48, 59,474.07 and 13,355.16

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Solution

The fourth proportional to 39,657.48, 59,474.07 and 13,355.16 is: 20,028.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,657.48 : 59,474.07 = 13,355.16 : x
  2. Step 2: Convert to fraction form
    39,657.48/59,474.07 = 13,355.16/x
  3. Step 3: Cross multiply
    39,657.48x = 59,474.07 × 13,355.16
  4. Step 4: Simplify right side
    39,657.48x = 794,285,720.70
  5. Step 5: Solve for x
    x = 794,285,720.70/39,657.48
  6. Step 6: Final answer
    x = 20,028.65

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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.