Home / 40,017.36-60,015-13,713.12

Finding the Fourth Proportional to 40,017.36, 60,015 and 13,713.12

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Solution

The fourth proportional to 40,017.36, 60,015 and 13,713.12 is: 20,565.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,017.36 : 60,015 = 13,713.12 : x
  2. Step 2: Convert to fraction form
    40,017.36/60,015 = 13,713.12/x
  3. Step 3: Cross multiply
    40,017.36x = 60,015 × 13,713.12
  4. Step 4: Simplify right side
    40,017.36x = 822,992,896.80
  5. Step 5: Solve for x
    x = 822,992,896.80/40,017.36
  6. Step 6: Final answer
    x = 20,565.90

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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.