Home / 30,675.36-42,333.21-17,936.76

Finding the Fourth Proportional to 30,675.36, 42,333.21 and 17,936.76

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Solution

The fourth proportional to 30,675.36, 42,333.21 and 17,936.76 is: 24,753.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,675.36 : 42,333.21 = 17,936.76 : x
  2. Step 2: Convert to fraction form
    30,675.36/42,333.21 = 17,936.76/x
  3. Step 3: Cross multiply
    30,675.36x = 42,333.21 × 17,936.76
  4. Step 4: Simplify right side
    30,675.36x = 759,320,627.80
  5. Step 5: Solve for x
    x = 759,320,627.80/30,675.36
  6. Step 6: Final answer
    x = 24,753.44

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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.