Home / 53,014.37-79,521.14-13,571.42

Finding the Fourth Proportional to 53,014.37, 79,521.14 and 13,571.42

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Solution

The fourth proportional to 53,014.37, 79,521.14 and 13,571.42 is: 20,357.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,014.37 : 79,521.14 = 13,571.42 : x
  2. Step 2: Convert to fraction form
    53,014.37/79,521.14 = 13,571.42/x
  3. Step 3: Cross multiply
    53,014.37x = 79,521.14 × 13,571.42
  4. Step 4: Simplify right side
    53,014.37x = 1,079,214,426.14
  5. Step 5: Solve for x
    x = 1,079,214,426.14/53,014.37
  6. Step 6: Final answer
    x = 20,357.02

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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.