Home / 30,689.76-46,003.86-19,608.96

Finding the Fourth Proportional to 30,689.76, 46,003.86 and 19,608.96

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Solution

The fourth proportional to 30,689.76, 46,003.86 and 19,608.96 is: 29,393.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,689.76 : 46,003.86 = 19,608.96 : x
  2. Step 2: Convert to fraction form
    30,689.76/46,003.86 = 19,608.96/x
  3. Step 3: Cross multiply
    30,689.76x = 46,003.86 × 19,608.96
  4. Step 4: Simplify right side
    30,689.76x = 902,087,850.59
  5. Step 5: Solve for x
    x = 902,087,850.59/30,689.76
  6. Step 6: Final answer
    x = 29,393.77

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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.