Home / 39,392.11-59,079.17-11,311.94

Finding the Fourth Proportional to 39,392.11, 59,079.17 and 11,311.94

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Solution

The fourth proportional to 39,392.11, 59,079.17 and 11,311.94 is: 16,965.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,392.11 : 59,079.17 = 11,311.94 : x
  2. Step 2: Convert to fraction form
    39,392.11/59,079.17 = 11,311.94/x
  3. Step 3: Cross multiply
    39,392.11x = 59,079.17 × 11,311.94
  4. Step 4: Simplify right side
    39,392.11x = 668,300,117.43
  5. Step 5: Solve for x
    x = 668,300,117.43/39,392.11
  6. Step 6: Final answer
    x = 16,965.33

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1.5x scale

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.