Home / 30,814.26-42,523.68-16,667.10

Finding the Fourth Proportional to 30,814.26, 42,523.68 and 16,667.10

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Solution

The fourth proportional to 30,814.26, 42,523.68 and 16,667.10 is: 23,000.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,814.26 : 42,523.68 = 16,667.10 : x
  2. Step 2: Convert to fraction form
    30,814.26/42,523.68 = 16,667.10/x
  3. Step 3: Cross multiply
    30,814.26x = 42,523.68 × 16,667.10
  4. Step 4: Simplify right side
    30,814.26x = 708,746,426.93
  5. Step 5: Solve for x
    x = 708,746,426.93/30,814.26
  6. Step 6: Final answer
    x = 23,000.60

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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.