Home / 30,599.30-42,219.84-17,844.86

Finding the Fourth Proportional to 30,599.30, 42,219.84 and 17,844.86

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Solution

The fourth proportional to 30,599.30, 42,219.84 and 17,844.86 is: 24,621.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,599.30 : 42,219.84 = 17,844.86 : x
  2. Step 2: Convert to fraction form
    30,599.30/42,219.84 = 17,844.86/x
  3. Step 3: Cross multiply
    30,599.30x = 42,219.84 × 17,844.86
  4. Step 4: Simplify right side
    30,599.30x = 753,407,134.02
  5. Step 5: Solve for x
    x = 753,407,134.02/30,599.30
  6. Step 6: Final answer
    x = 24,621.71

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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.