Home / 30,964.17-42,730.77-16,817.01

Finding the Fourth Proportional to 30,964.17, 42,730.77 and 16,817.01

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Solution

The fourth proportional to 30,964.17, 42,730.77 and 16,817.01 is: 23,207.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,964.17 : 42,730.77 = 16,817.01 : x
  2. Step 2: Convert to fraction form
    30,964.17/42,730.77 = 16,817.01/x
  3. Step 3: Cross multiply
    30,964.17x = 42,730.77 × 16,817.01
  4. Step 4: Simplify right side
    30,964.17x = 718,603,786.40
  5. Step 5: Solve for x
    x = 718,603,786.40/30,964.17
  6. Step 6: Final answer
    x = 23,207.59

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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.