Home / 30,297.62-45,414.84-17,807.42

Finding the Fourth Proportional to 30,297.62, 45,414.84 and 17,807.42

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Solution

The fourth proportional to 30,297.62, 45,414.84 and 17,807.42 is: 26,692.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,297.62 : 45,414.84 = 17,807.42 : x
  2. Step 2: Convert to fraction form
    30,297.62/45,414.84 = 17,807.42/x
  3. Step 3: Cross multiply
    30,297.62x = 45,414.84 × 17,807.42
  4. Step 4: Simplify right side
    30,297.62x = 808,721,130.11
  5. Step 5: Solve for x
    x = 808,721,130.11/30,297.62
  6. Step 6: Final answer
    x = 26,692.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.