Home / 30,755.08-42,442.14-17,326.50

Finding the Fourth Proportional to 30,755.08, 42,442.14 and 17,326.50

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Solution

The fourth proportional to 30,755.08, 42,442.14 and 17,326.50 is: 23,910.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,755.08 : 42,442.14 = 17,326.50 : x
  2. Step 2: Convert to fraction form
    30,755.08/42,442.14 = 17,326.50/x
  3. Step 3: Cross multiply
    30,755.08x = 42,442.14 × 17,326.50
  4. Step 4: Simplify right side
    30,755.08x = 735,373,738.71
  5. Step 5: Solve for x
    x = 735,373,738.71/30,755.08
  6. Step 6: Final answer
    x = 23,910.64

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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.