Home / 30,484.35-42,068.30-17,745.08

Finding the Fourth Proportional to 30,484.35, 42,068.30 and 17,745.08

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Solution

The fourth proportional to 30,484.35, 42,068.30 and 17,745.08 is: 24,488.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,484.35 : 42,068.30 = 17,745.08 : x
  2. Step 2: Convert to fraction form
    30,484.35/42,068.30 = 17,745.08/x
  3. Step 3: Cross multiply
    30,484.35x = 42,068.30 × 17,745.08
  4. Step 4: Simplify right side
    30,484.35x = 746,505,049.90
  5. Step 5: Solve for x
    x = 746,505,049.90/30,484.35
  6. Step 6: Final answer
    x = 24,488.14

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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.