Home / 30,754.35-42,442.92-17,836.25

Finding the Fourth Proportional to 30,754.35, 42,442.92 and 17,836.25

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Solution

The fourth proportional to 30,754.35, 42,442.92 and 17,836.25 is: 24,615.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,754.35 : 42,442.92 = 17,836.25 : x
  2. Step 2: Convert to fraction form
    30,754.35/42,442.92 = 17,836.25/x
  3. Step 3: Cross multiply
    30,754.35x = 42,442.92 × 17,836.25
  4. Step 4: Simplify right side
    30,754.35x = 757,022,319.64
  5. Step 5: Solve for x
    x = 757,022,319.64/30,754.35
  6. Step 6: Final answer
    x = 24,615.13

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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.