Home / 30,593.70-42,219.27-17,855.64

Finding the Fourth Proportional to 30,593.70, 42,219.27 and 17,855.64

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Solution

The fourth proportional to 30,593.70, 42,219.27 and 17,855.64 is: 24,640.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,593.70 : 42,219.27 = 17,855.64 : x
  2. Step 2: Convert to fraction form
    30,593.70/42,219.27 = 17,855.64/x
  3. Step 3: Cross multiply
    30,593.70x = 42,219.27 × 17,855.64
  4. Step 4: Simplify right side
    30,593.70x = 753,852,086.18
  5. Step 5: Solve for x
    x = 753,852,086.18/30,593.70
  6. Step 6: Final answer
    x = 24,640.76

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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.