Home / 30,137.84-45,206.16-9,361.28

Finding the Fourth Proportional to 30,137.84, 45,206.16 and 9,361.28

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Solution

The fourth proportional to 30,137.84, 45,206.16 and 9,361.28 is: 14,041.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,137.84 : 45,206.16 = 9,361.28 : x
  2. Step 2: Convert to fraction form
    30,137.84/45,206.16 = 9,361.28/x
  3. Step 3: Cross multiply
    30,137.84x = 45,206.16 × 9,361.28
  4. Step 4: Simplify right side
    30,137.84x = 423,187,521.48
  5. Step 5: Solve for x
    x = 423,187,521.48/30,137.84
  6. Step 6: Final answer
    x = 14,041.73

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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.