Home / 39,814.94-59,718.42-13,519.28

Finding the Fourth Proportional to 39,814.94, 59,718.42 and 13,519.28

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Solution

The fourth proportional to 39,814.94, 59,718.42 and 13,519.28 is: 20,277.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,814.94 : 59,718.42 = 13,519.28 : x
  2. Step 2: Convert to fraction form
    39,814.94/59,718.42 = 13,519.28/x
  3. Step 3: Cross multiply
    39,814.94x = 59,718.42 × 13,519.28
  4. Step 4: Simplify right side
    39,814.94x = 807,349,742.55
  5. Step 5: Solve for x
    x = 807,349,742.55/39,814.94
  6. Step 6: Final answer
    x = 20,277.56

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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.