Home / 30,757.14-42,444.86-16,609.99

Finding the Fourth Proportional to 30,757.14, 42,444.86 and 16,609.99

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Solution

The fourth proportional to 30,757.14, 42,444.86 and 16,609.99 is: 22,921.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,757.14 : 42,444.86 = 16,609.99 : x
  2. Step 2: Convert to fraction form
    30,757.14/42,444.86 = 16,609.99/x
  3. Step 3: Cross multiply
    30,757.14x = 42,444.86 × 16,609.99
  4. Step 4: Simplify right side
    30,757.14x = 705,008,510.99
  5. Step 5: Solve for x
    x = 705,008,510.99/30,757.14
  6. Step 6: Final answer
    x = 22,921.78

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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.