Home / 30,854.21-42,578.93-17,425.62

Finding the Fourth Proportional to 30,854.21, 42,578.93 and 17,425.62

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Solution

The fourth proportional to 30,854.21, 42,578.93 and 17,425.62 is: 24,047.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,854.21 : 42,578.93 = 17,425.62 : x
  2. Step 2: Convert to fraction form
    30,854.21/42,578.93 = 17,425.62/x
  3. Step 3: Cross multiply
    30,854.21x = 42,578.93 × 17,425.62
  4. Step 4: Simplify right side
    30,854.21x = 741,964,297.75
  5. Step 5: Solve for x
    x = 741,964,297.75/30,854.21
  6. Step 6: Final answer
    x = 24,047.43

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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.