Home / 30,857.68-42,571.54-17,934.81

Finding the Fourth Proportional to 30,857.68, 42,571.54 and 17,934.81

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Solution

The fourth proportional to 30,857.68, 42,571.54 and 17,934.81 is: 24,743.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,857.68 : 42,571.54 = 17,934.81 : x
  2. Step 2: Convert to fraction form
    30,857.68/42,571.54 = 17,934.81/x
  3. Step 3: Cross multiply
    30,857.68x = 42,571.54 × 17,934.81
  4. Step 4: Simplify right side
    30,857.68x = 763,512,306.27
  5. Step 5: Solve for x
    x = 763,512,306.27/30,857.68
  6. Step 6: Final answer
    x = 24,743.02

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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.