Home / 30,064.38-45,112.57-16,917.68

Finding the Fourth Proportional to 30,064.38, 45,112.57 and 16,917.68

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Solution

The fourth proportional to 30,064.38, 45,112.57 and 16,917.68 is: 25,385.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,064.38 : 45,112.57 = 16,917.68 : x
  2. Step 2: Convert to fraction form
    30,064.38/45,112.57 = 16,917.68/x
  3. Step 3: Cross multiply
    30,064.38x = 45,112.57 × 16,917.68
  4. Step 4: Simplify right side
    30,064.38x = 763,199,755.38
  5. Step 5: Solve for x
    x = 763,199,755.38/30,064.38
  6. Step 6: Final answer
    x = 25,385.51

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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.