Home / 30,727.35-42,403.80-17,298.56

Finding the Fourth Proportional to 30,727.35, 42,403.80 and 17,298.56

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Solution

The fourth proportional to 30,727.35, 42,403.80 and 17,298.56 is: 23,872.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,727.35 : 42,403.80 = 17,298.56 : x
  2. Step 2: Convert to fraction form
    30,727.35/42,403.80 = 17,298.56/x
  3. Step 3: Cross multiply
    30,727.35x = 42,403.80 × 17,298.56
  4. Step 4: Simplify right side
    30,727.35x = 733,524,849.41
  5. Step 5: Solve for x
    x = 733,524,849.41/30,727.35
  6. Step 6: Final answer
    x = 23,872.05

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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.