Home / 39,811.13-59,724.52-13,156.04

Finding the Fourth Proportional to 39,811.13, 59,724.52 and 13,156.04

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Solution

The fourth proportional to 39,811.13, 59,724.52 and 13,156.04 is: 19,736.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,811.13 : 59,724.52 = 13,156.04 : x
  2. Step 2: Convert to fraction form
    39,811.13/59,724.52 = 13,156.04/x
  3. Step 3: Cross multiply
    39,811.13x = 59,724.52 × 13,156.04
  4. Step 4: Simplify right side
    39,811.13x = 785,738,174.10
  5. Step 5: Solve for x
    x = 785,738,174.10/39,811.13
  6. Step 6: Final answer
    x = 19,736.65

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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.