Home / 31,333.79-43,240.84-16,993.69

Finding the Fourth Proportional to 31,333.79, 43,240.84 and 16,993.69

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Solution

The fourth proportional to 31,333.79, 43,240.84 and 16,993.69 is: 23,451.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,333.79 : 43,240.84 = 16,993.69 : x
  2. Step 2: Convert to fraction form
    31,333.79/43,240.84 = 16,993.69/x
  3. Step 3: Cross multiply
    31,333.79x = 43,240.84 × 16,993.69
  4. Step 4: Simplify right side
    31,333.79x = 734,821,279.71
  5. Step 5: Solve for x
    x = 734,821,279.71/31,333.79
  6. Step 6: Final answer
    x = 23,451.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.