Home / 30,757.06-42,444.75-16,609.90

Finding the Fourth Proportional to 30,757.06, 42,444.75 and 16,609.90

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Solution

The fourth proportional to 30,757.06, 42,444.75 and 16,609.90 is: 22,921.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,757.06 : 42,444.75 = 16,609.90 : x
  2. Step 2: Convert to fraction form
    30,757.06/42,444.75 = 16,609.90/x
  3. Step 3: Cross multiply
    30,757.06x = 42,444.75 × 16,609.90
  4. Step 4: Simplify right side
    30,757.06x = 705,002,969.98
  5. Step 5: Solve for x
    x = 705,002,969.98/30,757.06
  6. Step 6: Final answer
    x = 22,921.66

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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.