Home / 39,379.28-59,056.79-11,291.81

Finding the Fourth Proportional to 39,379.28, 59,056.79 and 11,291.81

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Solution

The fourth proportional to 39,379.28, 59,056.79 and 11,291.81 is: 16,934.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,379.28 : 59,056.79 = 11,291.81 : x
  2. Step 2: Convert to fraction form
    39,379.28/59,056.79 = 11,291.81/x
  3. Step 3: Cross multiply
    39,379.28x = 59,056.79 × 11,291.81
  4. Step 4: Simplify right side
    39,379.28x = 666,857,700.15
  5. Step 5: Solve for x
    x = 666,857,700.15/39,379.28
  6. Step 6: Final answer
    x = 16,934.23

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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.