Home / 30,763.28-42,451.08-17,333.84

Finding the Fourth Proportional to 30,763.28, 42,451.08 and 17,333.84

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Solution

The fourth proportional to 30,763.28, 42,451.08 and 17,333.84 is: 23,919.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,763.28 : 42,451.08 = 17,333.84 : x
  2. Step 2: Convert to fraction form
    30,763.28/42,451.08 = 17,333.84/x
  3. Step 3: Cross multiply
    30,763.28x = 42,451.08 × 17,333.84
  4. Step 4: Simplify right side
    30,763.28x = 735,840,228.55
  5. Step 5: Solve for x
    x = 735,840,228.55/30,763.28
  6. Step 6: Final answer
    x = 23,919.43

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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.