Home / 30,583.62-42,202.35-18,649.89

Finding the Fourth Proportional to 30,583.62, 42,202.35 and 18,649.89

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Solution

The fourth proportional to 30,583.62, 42,202.35 and 18,649.89 is: 25,734.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,583.62 : 42,202.35 = 18,649.89 : x
  2. Step 2: Convert to fraction form
    30,583.62/42,202.35 = 18,649.89/x
  3. Step 3: Cross multiply
    30,583.62x = 42,202.35 × 18,649.89
  4. Step 4: Simplify right side
    30,583.62x = 787,069,185.24
  5. Step 5: Solve for x
    x = 787,069,185.24/30,583.62
  6. Step 6: Final answer
    x = 25,734.99

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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.