Home / 30,305.28-41,814.90-17,557.68

Finding the Fourth Proportional to 30,305.28, 41,814.90 and 17,557.68

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Solution

The fourth proportional to 30,305.28, 41,814.90 and 17,557.68 is: 24,225.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,305.28 : 41,814.90 = 17,557.68 : x
  2. Step 2: Convert to fraction form
    30,305.28/41,814.90 = 17,557.68/x
  3. Step 3: Cross multiply
    30,305.28x = 41,814.90 × 17,557.68
  4. Step 4: Simplify right side
    30,305.28x = 734,172,633.43
  5. Step 5: Solve for x
    x = 734,172,633.43/30,305.28
  6. Step 6: Final answer
    x = 24,225.90

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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.