Home / 30,851.80-42,575.26-17,422.94

Finding the Fourth Proportional to 30,851.80, 42,575.26 and 17,422.94

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Solution

The fourth proportional to 30,851.80, 42,575.26 and 17,422.94 is: 24,043.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,851.80 : 42,575.26 = 17,422.94 : x
  2. Step 2: Convert to fraction form
    30,851.80/42,575.26 = 17,422.94/x
  3. Step 3: Cross multiply
    30,851.80x = 42,575.26 × 17,422.94
  4. Step 4: Simplify right side
    30,851.80x = 741,786,200.46
  5. Step 5: Solve for x
    x = 741,786,200.46/30,851.80
  6. Step 6: Final answer
    x = 24,043.53

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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.