Home / 30,814.88-42,524.32-16,667.52

Finding the Fourth Proportional to 30,814.88, 42,524.32 and 16,667.52

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Solution

The fourth proportional to 30,814.88, 42,524.32 and 16,667.52 is: 23,001.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,814.88 : 42,524.32 = 16,667.52 : x
  2. Step 2: Convert to fraction form
    30,814.88/42,524.32 = 16,667.52/x
  3. Step 3: Cross multiply
    30,814.88x = 42,524.32 × 16,667.52
  4. Step 4: Simplify right side
    30,814.88x = 708,774,954.09
  5. Step 5: Solve for x
    x = 708,774,954.09/30,814.88
  6. Step 6: Final answer
    x = 23,001.06

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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.