Home / 30,705.37-42,372.91-17,276.61

Finding the Fourth Proportional to 30,705.37, 42,372.91 and 17,276.61

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Solution

The fourth proportional to 30,705.37, 42,372.91 and 17,276.61 is: 23,841.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,705.37 : 42,372.91 = 17,276.61 : x
  2. Step 2: Convert to fraction form
    30,705.37/42,372.91 = 17,276.61/x
  3. Step 3: Cross multiply
    30,705.37x = 42,372.91 × 17,276.61
  4. Step 4: Simplify right side
    30,705.37x = 732,060,197.44
  5. Step 5: Solve for x
    x = 732,060,197.44/30,705.37
  6. Step 6: Final answer
    x = 23,841.44

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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.