Home / 30,305.07-41,820.71-16,875.68

Finding the Fourth Proportional to 30,305.07, 41,820.71 and 16,875.68

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Solution

The fourth proportional to 30,305.07, 41,820.71 and 16,875.68 is: 23,288.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,305.07 : 41,820.71 = 16,875.68 : x
  2. Step 2: Convert to fraction form
    30,305.07/41,820.71 = 16,875.68/x
  3. Step 3: Cross multiply
    30,305.07x = 41,820.71 × 16,875.68
  4. Step 4: Simplify right side
    30,305.07x = 705,752,625.85
  5. Step 5: Solve for x
    x = 705,752,625.85/30,305.07
  6. Step 6: Final answer
    x = 23,288.27

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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.