Home / 30,950.53-42,711.31-17,521.44

Finding the Fourth Proportional to 30,950.53, 42,711.31 and 17,521.44

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Solution

The fourth proportional to 30,950.53, 42,711.31 and 17,521.44 is: 24,179.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,950.53 : 42,711.31 = 17,521.44 : x
  2. Step 2: Convert to fraction form
    30,950.53/42,711.31 = 17,521.44/x
  3. Step 3: Cross multiply
    30,950.53x = 42,711.31 × 17,521.44
  4. Step 4: Simplify right side
    30,950.53x = 748,363,517.22
  5. Step 5: Solve for x
    x = 748,363,517.22/30,950.53
  6. Step 6: Final answer
    x = 24,179.35

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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.